Integer Overflow or Wraparound Affecting kernel-rt-debug-debuginfo package, versions <0:6.12.0-55.55.1.el10_0


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-RHEL10-KERNELRTDEBUGDEBUGINFO-15100899
  • published27 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:10 kernel-rt-debug-debuginfo to version 0:6.12.0-55.55.1.el10_0 or higher.
This issue was patched in RHSA-2026:1236.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-debuginfo package and not the kernel-rt-debug-debuginfo package as distributed by RHEL. See How to fix? for RHEL:10 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