Integer Overflow or Wraparound Affecting perf package, versions <0:4.18.0-372.177.1.el8_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (15th percentile)

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  • Snyk IDSNYK-RHEL8-PERF-15128727
  • published28 Jan 2026
  • disclosed6 Dec 2025

Introduced: 6 Dec 2025

CVE-2025-40277  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-372.177.1.el8_6 or higher.
This issue was patched in RHSA-2026:1442.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf 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/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.

CVSS Base Scores

version 3.1