Use After Free Affecting kernel-azure package, versions <5.14.21-150500.33.6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.44% (36th percentile)

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  • Snyk IDSNYK-SLES155-KERNELAZURE-5789889
  • published20 Jul 2023
  • disclosed19 Jul 2023

Introduced: 19 Jul 2023

CVE-2023-3111  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 kernel-azure to version 5.14.21-150500.33.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-azure package and not the kernel-azure package as distributed by SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().

CVSS Base Scores

version 3.1