Skip to content
OpenAdvisories
Unscored CVE-2022-40476 EUVD-2022-43754GHSA-3mpj-g9cw-f3hj

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 cr…

Published Sep 14, 2022 · Updated Aug 3, 2024 · Assigned by mitre

Package: kernel Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-edge Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gke-4.15 Package: linux-gke-5.4 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.8 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.6 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-raspi2 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.8 Ecosystem: Azure Linux Ecosystem: Ubuntu

Description

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.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS linux-riscv +22 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —

SUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
SLES 15 SP4 kernel-64kb +3 5.14.21-150400.24.33.2 SUSE-SU-2022:4072-1
SLES 15 SP4 kernel-azure 5.14.21-150400.14.21.2 SUSE-SU-2022:3998-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.33.2.150400.24.11.4 SUSE-SU-2022:4072-1
SLES 15 SP4 kernel-syms +2 5.14.21-150400.24.33.1 SUSE-SU-2022:4072-1
SLES 15 SP4 kernel-syms-azure +1 5.14.21-150400.14.21.1 SUSE-SU-2022:3998-1
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLE Micro 5.3 kernel-default 5.14.21-150400.24.33.2 SUSE-SU-2022:4072-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.33.2.150400.24.11.4 SUSE-SU-2022:4072-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.33.2 SUSE-SU-2022:4072-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_1 1-150400.1.3.1 SUSE-SU-2022:4617-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_5 1-150400.9.3.4 SUSE-SU-2022:4072-1
SUSE Real Time Module 15 SP4 kernel-rt +3 5.14.21-150400.15.5.1 SUSE-SU-2022:4617-1

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Leap 15.4 dtb-aarch64 +4 5.14.21-150400.24.33.1 SUSE-SU-2022:4072-1
openSUSE Leap 15.4 kernel-64kb +5 5.14.21-150400.24.33.2 SUSE-SU-2022:4072-1
openSUSE Leap 15.4 kernel-azure 5.14.21-150400.14.21.2 SUSE-SU-2022:3998-1
openSUSE Leap 15.4 kernel-default-base 5.14.21-150400.24.33.2.150400.24.11.4 SUSE-SU-2022:4072-1
openSUSE Leap 15.4 kernel-rt +3 5.14.21-150400.15.5.1 SUSE-SU-2022:4617-1
openSUSE Leap 15.4 kernel-syms-azure +1 5.14.21-150400.14.21.1 SUSE-SU-2022:3998-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.15.67.1-4 —

Advisories 4

References