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CVE-2022-40476

Published: 14 September 2022

A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-16.19)
focal Not vulnerable
(5.4.0-9.12)
jammy Not vulnerable
(5.13.0-19.19)
kinetic Not vulnerable
(5.15.0-25.25)
trusty Not vulnerable
(3.11.0-12.19)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.4.0-2.16)
Patches:
Introduced by

9cae36a094e7e9d6e5fe8b6dcd4642138b3eb0c7

Fixed by 386e4fb6962b9f248a80f8870aea0870ca603e89
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
focal Not vulnerable
(5.4.0-1005.5)
jammy Not vulnerable
(5.13.0-1005.6)
kinetic Not vulnerable
(5.15.0-1004.6)
trusty Not vulnerable
(4.4.0-1002.2)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.4.0-1001.10)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.15.0-1014.18~20.04.1)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1018.18~18.04.1)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.15.0-1030.31~16.04.1)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Not vulnerable
(5.4.0-1006.6)
jammy Not vulnerable
(5.13.0-1006.7)
kinetic Not vulnerable
(5.15.0-1003.4)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.11.0-1009.9)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1082.92)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

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

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1020.20~18.04.1)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-fde
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

jammy Not vulnerable
(5.13.0-1006.7)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

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

focal Not vulnerable
(5.4.0-1007.10)
jammy Not vulnerable
(5.15.0-1008.10)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-dell300x
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1005.8)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-fips
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Not vulnerable
(5.4.0-1005.5)
jammy Not vulnerable
(5.13.0-1005.6)
kinetic Not vulnerable
(5.15.0-1003.6)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.10.0-1004.4)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1071.81)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.15.0-1006.9~20.04.1)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.2)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gcp-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1033.35)
jammy Not vulnerable
(5.15.0-1002.2)
kinetic Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.15.0-1011.14~20.04.1)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gke-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gkeop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1008.9)
jammy Not vulnerable
(5.15.0-1001.2)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-gkeop-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.8.0-39.42~16.04.1)
linux-hwe-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.15.0-33.34~20.04.1)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-37.41~18.04.1)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Needs triage

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

focal Not vulnerable
(5.4.0-1003.4)
jammy Not vulnerable
(5.15.0-1002.2)
kinetic Not vulnerable
(5.15.0-1002.2)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-ibm-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1010.11~18.04.2)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-intel-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-intel-iotg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

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

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

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

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
focal Not vulnerable
(5.4.0-1004.4)
jammy Not vulnerable
(5.13.0-1004.4)
kinetic Not vulnerable
(5.15.0-1004.4)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.4.0-1004.9)
linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable
(5.15.0-22.22)
kinetic Not vulnerable
(5.15.0-24.24)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.15.0-33.34~20.04.1)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

trusty Not vulnerable
(4.4.0-13.29~14.04.1)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-5.14
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.14.0-1004.4)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-5.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Not vulnerable
(5.17.0-1003.3)
kinetic Needs triage

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1007.9)
focal Not vulnerable
(5.4.0-1005.5)
jammy Not vulnerable
(5.13.0-1008.10)
kinetic Not vulnerable
(5.15.0-1002.4)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1019.19~18.04.1)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-oracle-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-raspi
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable
(5.4.0-1007.7)
jammy Not vulnerable
(5.13.0-1008.9)
kinetic Not vulnerable
(5.15.0-1005.5)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.4.0-1013.13~18.04.1)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-1005.5)
focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-riscv
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Not vulnerable
(5.13.0-1004.4)
kinetic Not vulnerable
(5.15.0-1007.7)
trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-riscv-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-riscv-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(was needs-triage now end-of-life)
jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)
linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.4.0-1077.82)
focal Does not exist

jammy Does not exist

trusty Ignored
(out of standard support)
upstream
Released (5.19~rc4)
xenial Ignored
(out of standard support)