NULL Pointer Dereference Affecting bpftool package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-13491380
  • published8 Oct 2025
  • disclosed7 Oct 2025

Introduced: 7 Oct 2025

CVE-2022-50535  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bpftool to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in RHSA-2023:7077.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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

drm/amd/display: Fix potential null-deref in dm_resume

[Why] Fixing smatch error: dm_resume() error: we previously assumed 'aconnector->dc_link' could be null

[How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.

CVSS Base Scores

version 3.1