Out-of-bounds Write Affecting kernel-azure-devel package, versions <5.14.21-150400.14.52.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-SLES154-KERNELAZUREDEVEL-5707399
  • published14 Jun 2023
  • disclosed13 Jun 2023

Introduced: 13 Jun 2023

CVE-2023-31436  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-azure-devel to version 5.14.21-150400.14.52.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-azure-devel package and not the kernel-azure-devel package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.

CVSS Scores

version 3.1