Integer Overflow or Wraparound Affecting kernel-devel-matched package, versions <0:6.12.0-55.55.1.el10_0


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.03% (9th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Integer Overflow or Wraparound vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL10-KERNELDEVELMATCHED-15100727
  • published27 Jan 2026
  • disclosed27 Feb 2025

Introduced: 27 Feb 2025

CVE-2025-21815  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade RHEL:10 kernel-devel-matched 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-devel-matched package and not the kernel-devel-matched 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:

mm/compaction: fix UBSAN shift-out-of-bounds warning

syzkaller reported a UBSAN shift-out-of-bounds warning of (1UL << order) in isolate_freepages_block(). The bogus compound_order can be any value because it is union with flags. Add back the MAX_PAGE_ORDER check to fix the warning.

CVSS Base Scores

version 3.1