Out-of-bounds Write Affecting kernel-doc package, versions <0:4.18.0-305.125.1.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDOC-6459502
  • published19 Mar 2024
  • disclosed13 Apr 2023

Introduced: 13 Apr 2023

CVE-2023-31436  (opens in a new tab)
CWE-787  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-doc to version 0:4.18.0-305.125.1.el8_4 or higher.
This issue was patched in RHSA-2024:1367.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL. See How to fix? for RHEL:8 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