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CVE-2023-31248

Published: 5 July 2023

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace

From the Ubuntu Security Team

Mingi Cho discovered that the netfilter subsystem in the Linux kernel did not properly validate the status of a nft chain while performing a lookup by id, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Notes

AuthorNote
eslerm
reporter at Pwn2Own 2023 as ZDI-CAN-20717
CWE-416
sbeattie
requires CAP_NET_ADMIN in any namespace, not just the init
namespace.

Mitigation

If not needed, disable the ability for unprivileged users
to create namespaces. To do this temporarily, do:
    sudo sysctl -w kernel.unprivileged_userns_clone=0
To disable across reboots, do:
    echo kernel.unprivileged_userns_clone=0 | \
    sudo tee /etc/sysctl.d/99-disable-unpriv-userns.conf

Priority

High

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
linux-hwe
Launchpad, Ubuntu, Debian
trusty Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

xenial Not vulnerable
(4.8.0-39.42~16.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
bionic Ignored
(replaced by linux-hwe-5.4, was needs-triage)
linux-hwe-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-37.41~18.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-hwe-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-hwe-5.11)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-hwe-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.15)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-hwe-5.15)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-78.85~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-hwe-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (5.19.0-50.50)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-hwe-edge
Launchpad, Ubuntu, Debian
trusty Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-lts-xenial
Launchpad, Ubuntu, Debian
xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

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

upstream
Released (6.5~rc2)
linux-kvm
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
focal Not vulnerable
(5.4.0-1004.4)
xenial Not vulnerable
(4.4.0-1004.9)
lunar
Released (6.2.0-1009.9)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1038.43)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-aws-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-aws-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-aws-5.4)
mantic Does not exist

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

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1018.18~18.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-aws-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-aws-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-aws-5.11)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-aws-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-aws-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-aws-5.15)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-aws-5.15)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1040.45~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-aws-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (5.19.0-1029.30~22.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-aws-hwe
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

xenial Not vulnerable
(4.15.0-1030.31~16.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Not vulnerable
(5.4.0-1006.6)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial Not vulnerable
(4.11.0-1009.9)
lunar
Released (6.2.0-1008.8)
jammy
Released (5.15.0-1042.49)
kinetic Ignored
(end of life, was needs-triage)
mantic Not vulnerable
(6.5.0-1004.4)
upstream
Released (6.5~rc2)
linux-azure-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(4.15.0-1082.92)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-azure-5.4)
mantic Does not exist

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

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1020.20~18.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-azure-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-azure-5.11)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-azure-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-azure-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-azure-5.15)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-azure-5.15)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1042.49~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure-fde
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1006.6)
mantic Does not exist

jammy
Released (5.15.0-1042.49)
upstream
Released (6.5~rc2)
linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

focal
Released (5.15.0-1042.49~20.04.1)
upstream
Released (6.5~rc2)
linux-azure-fde-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
jammy Ignored
(superseded by linux-azure-fde-6.2, was needs-triage)
linux-bluefield
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1007.10)
mantic Does not exist

jammy Pending

upstream
Released (6.5~rc2)
linux-dell300x
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-azure-edge
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-fips
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-gcp
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
focal Not vulnerable
(5.4.0-1005.5)
xenial Not vulnerable
(4.10.0-1004.4)
lunar
Released (6.2.0-1010.10)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1038.46)
mantic Not vulnerable
(6.5.0-1004.4)
upstream
Released (6.5~rc2)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(4.15.0-1071.81)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gcp-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-5.4)
mantic Does not exist

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

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1019.19~18.04.2)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gcp-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-5.11)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.15)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gcp-5.15)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1038.46~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gcp-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (5.19.0-1030.32~22.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gke
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
bionic Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1033.35)
jammy
Released (5.15.0-1038.43)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gke-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
bionic Ignored
(superseded by linux-gke-5.0, was needs-triage)
linux-gke-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-gke-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-gke-5.4)
mantic Does not exist

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

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
bionic Ignored
(end of kernel support, was needs-triage)
linux-gke-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1038.43~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gkeop
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1008.9)
jammy
Released (5.15.0-1024.29)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-gkeop-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
bionic Ignored
(end of kernel support, was needs-triage)
linux-gkeop-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1024.29~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-ibm
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.4.0-1003.4)
lunar
Released (6.2.0-1006.6)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1034.37)
mantic Ignored
(end of kernel support, was needed)
upstream
Released (6.5~rc2)
linux-ibm-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

bionic Not vulnerable
(5.4.0-1010.11~18.04.2)
upstream
Released (6.5~rc2)
linux-intel-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-intel-iotg
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (5.15.0-1036.41)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1036.41~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-iot
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1001.3)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-lowlatency
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar
Released (6.2.0-1009.9)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-78.85)
mantic Not vulnerable
(6.5.0-5.5.1)
upstream
Released (6.5~rc2)
linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-78.85~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-lowlatency-hwe-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy Ignored
(superseded by linux-lowlatency-hwe-6.2, was needed)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-nvidia
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (5.15.0-1029.29)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oracle
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Not vulnerable
(4.15.0-1007.9)
focal Not vulnerable
(5.4.0-1005.5)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
lunar
Released (6.2.0-1008.8)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1039.45)
mantic Not vulnerable
(6.5.0-1005.5)
upstream
Released (6.5~rc2)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-oracle-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

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

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-oracle-5.4)
mantic Does not exist

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

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1019.19~18.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oracle-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-oracle-5.11)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-oracle-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oracle-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1039.45~20.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
bionic Ignored
(replaced by linux-hwe-5.4, was needs-triage)
linux-oem-5.6
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-5.10
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-oem-5.14)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-oem-5.14)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal Ignored
(end of kernel support, was needs-triage)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-5.17
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.17.0-1035.36)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-6.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (6.0.0-1020.20)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-6.1
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy
Released (6.1.0-1019.19)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-oem-osp1
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-raspi
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.4.0-1007.7)
lunar
Released (6.2.0-1009.11)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1034.37)
mantic Not vulnerable
(6.5.0-1002.2)
upstream
Released (6.5~rc2)
linux-raspi2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Ignored
(replaced by linux-raspi)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-raspi2-5.4)
mantic Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

bionic Not vulnerable
(5.4.0-1013.13~18.04.1)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-riscv
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.8)
jammy Ignored
(end of kernel support, was needs-triage)
kinetic Ignored
(end of life, was needs-triage)
mantic Not vulnerable
(6.5.0-9.9.1)
lunar Ignored
(end of life, was pending [6.2.0-27.28.1])
upstream
Released (6.5~rc2)
linux-riscv-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.11)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-riscv-5.11)
mantic Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.13)
jammy Does not exist

kinetic Does not exist

lunar Does not exist

upstream Ignored
(superseded by linux-riscv-5.13)
mantic Does not exist

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

xenial Does not exist

bionic Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

focal
Released (5.15.0-1037.41~20.04.2)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-riscv-5.19
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

kinetic Does not exist

lunar Does not exist

jammy Ignored
(end of kernel support, was needed)
mantic Does not exist

upstream
Released (6.5~rc2)
linux-snapdragon
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-xilinx-zynqmp
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

kinetic Does not exist

lunar Does not exist

focal Not vulnerable
(5.4.0-1020.24)
jammy
Released (5.15.0-1025.29)
mantic Does not exist

upstream
Released (6.5~rc2)
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-16.19)
focal Not vulnerable
(5.4.0-9.12)
trusty Not vulnerable
(3.11.0-12.19)
xenial Not vulnerable
(4.4.0-2.16)
lunar
Released (6.2.0-26.26)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-78.85)
mantic Not vulnerable
(6.5.0-5.5)
upstream
Released (6.5~rc2)
Patches:
Introduced by

837830a4b439bfeb86c70b0115c280377c84714b

Fixed by 515ad530795c118f012539ed76d02bacfd426d89
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
focal Not vulnerable
(5.4.0-1005.5)
trusty Not vulnerable
(4.4.0-1002.2)
xenial Not vulnerable
(4.4.0-1001.10)
lunar
Released (6.2.0-1008.8)
kinetic Ignored
(end of life, was needs-triage)
jammy
Released (5.15.0-1040.45)
mantic Not vulnerable
(6.5.0-1005.5)
upstream
Released (6.5~rc2)
linux-aws-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

mantic Does not exist

jammy Pending
(6.2.0-1008.8~22.04.1)
upstream
Released (6.5~rc2)
linux-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
jammy
Released (6.2.0-26.26~22.04.1)
linux-lowlatency-hwe-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
jammy Ignored
(superseded by linux-lowlatency-hwe-6.5, was needs-triage)
linux-ibm-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

focal
Released (5.15.0-1034.37~20.04.1)
upstream
Released (6.5~rc2)
linux-gcp-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

lunar Does not exist

mantic Does not exist

jammy Pending
(6.2.0-1010.10~22.04.1)
upstream
Released (6.5~rc2)
linux-azure-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Pending
(6.2.0-1008.8~22.04.1)
lunar Does not exist

upstream
Released (6.5~rc2)
mantic 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 Pending
(6.2.0-1008.8~22.04.1)
lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
linux-nvidia-6.2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Pending
(6.2.0-1009.9)
lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
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
(6.2.0-1006.7~22.04.1)
lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
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
(6.5.0-1003.6)
upstream
Released (6.5~rc2)
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
(6.5.0-1003.3)
lunar Does not exist

mantic Does not exist

upstream
Released (6.5~rc2)
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

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

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

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

xenial Does not exist

bionic Does not exist

focal Does not exist

jammy Needs triage

mantic Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H