Buffer Access with Incorrect Length Value Affecting bpftool package, versions <0:4.18.0-477.10.1.el8_8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-13692004
  • published24 Oct 2025
  • disclosed15 Sept 2025

Introduced: 15 Sep 2025

CVE-2022-50235  (opens in a new tab)
CWE-805  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bpftool to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in RHSA-2023:2951.

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:

NFSD: Protect against send buffer overflow in NFSv2 READDIR

Restore the previous limit on the @count argument to prevent a buffer overflow attack.

CVSS Base Scores

version 3.1