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CVE-2021-3656

Published: 16 August 2021

A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB (virtual machine control block) provided by the L1 guest to spawn/handle a nested guest (L2). Due to improper validation of the "virt_ext" field, this issue could allow a malicious L1 to disable both VMLOAD/VMSAVE intercepts and VLS (Virtual VMLOAD/VMSAVE) for the L2 guest. As a result, the L2 guest would be allowed to read/write physical pages of the host, resulting in a crash of the entire system, leak of sensitive data or potential guest-to-host escape.

From the Ubuntu Security Team

Maxim Levitsky and Paolo Bonzini discovered that the KVM hypervisor implementation for AMD processors in the Linux kernel allowed a guest VM to disable restrictions on VMLOAD/VMSAVE in a nested guest. An attacker in a guest VM could use this to read or write portions of the host's physical memory.

Mitigation

Disable nested virtualisation when loading the KVM AMD module:
   modprobe kvm_amd nested=0

Priority

High

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
linux-azure-5.8
Launchpad, Ubuntu, Debian
focal
Released (5.8.0-1041.44~20.04.1)
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

bionic Does not exist

hirsute Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

linux
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(5.13.0-19.19)
kinetic Not vulnerable
(5.15.0-25.25)
bionic
Released (4.15.0-156.163)
upstream
Released (5.14~rc7)
impish Not vulnerable
(5.13.0-16.16)
trusty Not vulnerable
(3.11.0-12.19)
xenial Not vulnerable
(4.4.0-2.16)
focal
Released (5.4.0-84.94)
hirsute
Released (5.11.0-34.36)
lunar Not vulnerable
(5.15.0-25.25)
mantic Not vulnerable
(5.15.0-25.25)
noble Not vulnerable
(5.15.0-25.25)
Patches:
Introduced by

89c8a4984fc98e625517bfe5083342d77ee35811

Fixed by c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc|local-CVE-2021-3656-fix
linux-aws
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(5.13.0-1005.6)
kinetic Not vulnerable
(5.15.0-1004.6)
upstream
Released (5.14~rc7)
impish Not vulnerable
(5.13.0-1005.6)
trusty Not vulnerable
(4.4.0-1002.2)
xenial Not vulnerable
(4.4.0-1001.10)
focal
Released (5.4.0-1056.59)
hirsute
Released (5.11.0-1017.18)
bionic
Released (4.15.0-1111.118)
lunar Not vulnerable
(5.15.0-1004.6)
mantic Not vulnerable
(5.15.0-1004.6)
noble Not vulnerable
(5.15.0-1004.6)
linux-aws-5.0
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.11.0-1017.18~20.04.1)
mantic Does not exist

noble Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

focal Not vulnerable
(5.13.0-1008.9~20.04.2)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-aws-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable

mantic Does not exist

noble Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (5.4.0-1056.59~18.04.1)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-aws-5.11, was needs-triage)
noble Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial
Released (4.15.0-1111.118~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-azure
Launchpad, Ubuntu, Debian
impish Not vulnerable
(5.13.0-1004.5)
jammy Not vulnerable
(5.13.0-1006.7)
kinetic Not vulnerable
(5.15.0-1003.4)
trusty
Released (4.15.0-1123.136~14.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (5.14~rc7)
xenial
Released (4.15.0-1123.136~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic Ignored
(superseded by linux-azure-5.3)
focal
Released (5.4.0-1058.60)
hirsute
Released (5.11.0-1015.16)
lunar Not vulnerable
(5.15.0-1003.4)
mantic Not vulnerable
(5.15.0-1003.4)
noble Not vulnerable
(5.15.0-1003.4)
linux-azure-4.15
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

focal Does not exist

hirsute Does not exist

bionic
Released (4.15.0-1123.136)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

impish Does not exist

bionic Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.11.0-1015.16~20.04.1)
mantic Does not exist

noble Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

focal Not vulnerable
(5.13.0-1009.10~20.04.2)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-azure-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-azure-6.2, was needs-triage)
noble Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

hirsute Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

focal Does not exist

bionic
Released (5.4.0-1058.60~18.04.1)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

hirsute Does not exist

mantic Does not exist

noble Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
bionic Does not exist

impish Does not exist

jammy Needs triage

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal
Released (5.4.0-1058.60)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable
(5.15.0-1007.8~20.04.1)
mantic Does not exist

noble Does not exist

linux-azure-fde-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-fde-6.2, was needs-triage)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

bionic Does not exist

hirsute Does not exist

focal
Released (5.4.0-1019.22)
jammy Not vulnerable
(5.15.0-1011.13)
mantic Does not exist

noble Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (4.15.0-1027.32)
mantic Does not exist

noble Does not exist

linux-fips
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Ignored
(end of standard support)
mantic Does not exist

noble Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
impish Not vulnerable
(5.13.0-1003.4)
jammy Not vulnerable
(5.13.0-1005.6)
kinetic Not vulnerable
(5.15.0-1003.6)
lunar Not vulnerable
(5.15.0-1003.6)
trusty Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
xenial
Released (4.15.0-1108.122~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (5.14~rc7)
focal
Released (5.4.0-1052.56)
hirsute
Released (5.11.0-1018.20)
mantic Not vulnerable
(5.15.0-1003.6)
noble Not vulnerable
(5.15.0-1003.6)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Does not exist

hirsute Does not exist

trusty Does not exist

impish Does not exist

xenial Does not exist

upstream
Released (5.14~rc7)
bionic
Released (4.15.0-1108.122)
mantic Does not exist

noble Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

focal
Released (5.11.0-1018.20~20.04.2)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.13.0-1008.9~20.04.3)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
impish Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.14~rc7)
bionic
Released (5.4.0-1052.56~18.04.1)
mantic Does not exist

noble Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

focal Ignored
(superseded by linux-gcp-5.11, was needs-triage)
noble Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
focal Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-gke
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Not vulnerable
(5.15.0-1002.2)
kinetic Does not exist

lunar Does not exist

trusty Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.4.0-1052.55)
xenial Ignored
(end of standard support)
mantic Does not exist

noble Needs triage

linux-gke-4.15
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

bionic Ignored
(superseded by linux-gke-5.0, was needs-triage)
noble Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-gke-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Ignored
(end of life, was needs-triage)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

bionic Ignored
(end of standard support, was needs-triage)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (5.4.0-1052.55~18.04.1)
mantic Does not exist

noble Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Needs triage

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.4.0-1023.24)
mantic Does not exist

noble Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (5.4.0-1023.24~18.04.1)
mantic Does not exist

noble Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial
Released (4.15.0-156.163~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.11
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.11.0-34.36~20.04.1)
mantic Does not exist

noble Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.13.0-21.21~20.04.1)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-hwe-6.2, was needs-triage)
noble Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

bionic
Released (5.4.0-84.94~18.04.1)
upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

focal Ignored
(superseded by linux-hwe-5.11, was pending)
noble Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Ignored
(superseded by linux-hwe)
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

hirsute Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

linux-ibm
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Not vulnerable
(5.15.0-1002.2)
kinetic Not vulnerable
(5.15.0-1002.2)
lunar Not vulnerable
(5.15.0-1002.2)
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal
Released (5.4.0-1004.5)
hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Not vulnerable
(5.15.0-1002.2)
noble Not vulnerable
(5.15.0-1002.2)
linux-ibm-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1010.11~18.04.2)
focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

focal Not vulnerable
(5.13.0-1007.7)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-intel-iotg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

upstream Needs triage

jammy Not vulnerable
(5.15.0-1004.6)
mantic Does not exist

noble Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
kinetic Does not exist

lunar Does not exist

bionic Does not exist

impish Does not exist

jammy Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

focal Not vulnerable
(5.15.0-1003.5~20.04.1)
mantic Does not exist

noble Does not exist

linux-iot
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1099.101)
impish Not vulnerable
(5.13.0-1002.2)
jammy Not vulnerable
(5.13.0-1004.4)
kinetic Not vulnerable
(5.15.0-1004.4)
trusty Does not exist

upstream
Released (5.14~rc7)
xenial Not vulnerable
(4.4.0-1004.9)
focal
Released (5.4.0-1046.48)
hirsute
Released (5.11.0-1015.16)
lunar Not vulnerable
(5.15.0-1004.4)
mantic Does not exist

noble Does not exist

linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Not vulnerable
(5.15.0-22.22)
kinetic Not vulnerable
(5.15.0-24.24)
lunar Not vulnerable
(5.15.0-24.24)
trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

mantic Not vulnerable
(5.15.0-24.24)
noble Not vulnerable
(5.15.0-24.24)
linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-lowlatency-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.2, was needs-triage)
noble Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

trusty Not vulnerable
(4.4.0-13.29~14.04.1)
xenial Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
lunar Does not exist

mantic Does not exist

noble Does not exist

linux-oem
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
xenial Ignored
(end of standard support)
mantic Does not exist

bionic Ignored
(replaced by linux-hwe-5.4, was needs-triage)
noble Does not exist

linux-oem-5.10
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.10.0-1045.47)
mantic Does not exist

noble Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

bionic Does not exist

focal
Released (5.13.0-1012.16)
mantic Does not exist

noble Does not exist

linux-oem-6.0
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(6.0.0-1006.6)
bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-oem-6.1, was needs-triage)
noble Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.14.0-1004.4)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-oem-5.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

impish Does not exist

jammy Not vulnerable
(5.17.0-1003.3)
kinetic Not vulnerable
(5.17.0-1003.3)
lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

focal Ignored
(superseded by linux-oem-5.10, was needs-triage)
noble Does not exist

linux-oem-6.1
Launchpad, Ubuntu, Debian
jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-oem-6.5, was needs-triage)
noble Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

focal Does not exist

hirsute Does not exist

mantic Does not exist

noble Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1080.88)
impish Not vulnerable
(5.13.0-1008.10)
jammy Not vulnerable
(5.13.0-1008.10)
kinetic Not vulnerable
(5.15.0-1002.4)
lunar Not vulnerable
(5.15.0-1002.4)
trusty Does not exist

upstream
Released (5.14~rc7)
xenial
Released (4.15.0-1080.88~16.04.1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (5.4.0-1054.58)
hirsute
Released (5.11.0-1017.18)
mantic Not vulnerable
(5.15.0-1002.4)
noble Not vulnerable
(5.15.0-1002.4)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.11.0-1017.18~20.04.1)
mantic Does not exist

noble Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.13.0-1011.13~20.04.2)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (5.14~rc7)
xenial Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (5.4.0-1054.58~18.04.1)
mantic Does not exist

noble Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

focal Ignored
(superseded by linux-oracle-5.11, was needs-triage)
noble Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
impish Not vulnerable
(AMD processors only)
jammy Not vulnerable
(AMD processors only)
kinetic Not vulnerable
(AMD processors only)
lunar Not vulnerable
(AMD processors only)
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(AMD processors only)
upstream
Released (5.14~rc7)
hirsute
Released (5.11.0-1017.18)
mantic Not vulnerable
(AMD processors only)
noble Not vulnerable
(AMD processors only)
linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(AMD processors only)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(AMD processors only)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

focal Not vulnerable
(AMD processors only)
hirsute Does not exist

upstream
Released (5.14~rc7)
xenial Not vulnerable
(AMD processors only)
mantic Does not exist

noble Does not exist

linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(AMD processors only)
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
impish Not vulnerable
(AMD processors only)
jammy Not vulnerable
(AMD processors only)
kinetic Not vulnerable
(AMD processors only)
lunar Not vulnerable
(AMD processors only)
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(AMD processors only)
upstream
Released (5.14~rc7)
hirsute
Released (5.11.0-1018.19)
mantic Not vulnerable
(AMD processors only)
noble Not vulnerable
(AMD processors only)
linux-riscv-5.11
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
focal
Released (5.11.0-1018.19~20.04.2)
mantic Does not exist

noble Does not exist

linux-riscv-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

focal Not vulnerable
(AMD processors only)
upstream
Released (5.14~rc7)
mantic Does not exist

noble Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
impish Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

focal Does not exist

hirsute Does not exist

upstream
Released (5.14~rc7)
bionic
Released (4.15.0-1112.121)
xenial Not vulnerable
(AMD processors only)
mantic Does not exist

noble Does not exist

linux-xilinx-zynqmp
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

noble Does not exist

linux-nvidia
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-gkeop-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-aws-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-aws-6.2, was needs-triage)
noble Does not exist

linux-gcp-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-6.2, was needs-triage)
mantic Does not exist

noble Does not exist

linux-riscv-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-allwinner
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Not vulnerable

lunar Not vulnerable

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-allwinner-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-starfive
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Not vulnerable

lunar Not vulnerable

upstream Needs triage

mantic Not vulnerable

noble Does not exist

linux-starfive-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream Ignored
(end of life, was needs-triage)
noble Does not exist

linux-aws-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-aws-6.5, was needs-triage)
noble Does not exist

linux-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-hwe-6.5, was needs-triage)
noble Does not exist

linux-lowlatency-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.5, was needs-triage)
mantic Does not exist

noble Does not exist

linux-ibm-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable

jammy Does not exist

lunar Does not exist

upstream Needs triage

mantic Does not exist

noble Does not exist

linux-gcp-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-gcp-6.5, was needs-triage)
noble Does not exist

linux-azure-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-azure-6.5, was needs-triage)
noble Does not exist

linux-azure-fde-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(replaced by linux-azure-6.5, was needs-triage)
noble Does not exist

linux-nvidia-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-nvidia-6.5, was needs-triage)
noble Does not exist

linux-starfive-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Ignored
(superseded by linux-starfive-6.5, was needs-triage)
noble Does not exist

linux-laptop
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Not vulnerable

upstream Needs triage

noble Does not exist

linux-oem-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-hwe-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-lowlatency-hwe-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

lunar Does not exist

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-riscv-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-starfive-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-aws-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-azure-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-gcp-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-oracle-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-nvidia-6.5
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Not vulnerable

mantic Does not exist

upstream Needs triage

noble Does not exist

linux-aws-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

linux-azure-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

linux-gcp-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

noble Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H