NULL Pointer Dereference Affecting perf package, versions <0:6.1.66-91.160.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-8494172
  • published11 Dec 2024
  • disclosed21 May 2024

Introduced: 21 May 2024

CVE-2023-52788  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf to version 0:6.1.66-91.160.amzn2023 or higher.
This issue was patched in ALAS2023-2023-461.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

i915/perf: Fix NULL deref bugs with drm_dbg() calls

When i915 perf interface is not available dereferencing it will lead to NULL dereferences.

As returning -ENOTSUPP is pretty clear return when perf interface is not available.

[tursulin: added stable tag] (cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)

CVSS Scores

version 3.1