Out-of-bounds Write Affecting perf package, versions <0:2.6.32-754.53.1.el6


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ORACLE6-PERF-6672637
  • published24 Apr 2024
  • disclosed28 Apr 2023

Introduced: 28 Apr 2023

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

How to fix?

Upgrade Oracle:6 perf to version 0:2.6.32-754.53.1.el6 or higher.
This issue was patched in ELSA-2024-1831.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:6 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