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CVE-2025-71197 Affecting kernel-uek-debug-core package, versions <0:5.15.0-318.199.3.2.el9uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE9-KERNELUEKDEBUGCORE-15567006
  • published15 Mar 2026
  • disclosed4 Feb 2026
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Introduced: 4 Feb 2026

CVE-2025-71197  (opens in a new tab)

How to fix?

Upgrade Oracle:9 kernel-uek-debug-core to version 0:5.15.0-318.199.3.2.el9uek or higher.
This issue was patched in ELSA-2026-50145.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-core package and not the kernel-uek-debug-core package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

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

w1: therm: Fix off-by-one buffer overflow in alarms_store

The sysfs buffer passed to alarms_store() is allocated with 'size + 1' bytes and a NUL terminator is appended. However, the 'size' argument does not account for this extra byte. The original code then allocated 'size' bytes and used strcpy() to copy 'buf', which always writes one byte past the allocated buffer since strcpy() copies until the NUL terminator at index 'size'.

Fix this by parsing the 'buf' parameter directly using simple_strtoll() without allocating any intermediate memory or string copying. This removes the overflow while simplifying the code.