CVE-2025-23137: linux kernel Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update Check if policy is NULL before dereferencing it in amd_pstate_update.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.11 — 6.14.2

References

Advisories & Patches

https://git.kernel.org/stable/c/426db24d4db2e4f0d6720aeb7795eafcb9e82640 https://git.kernel.org/stable/c/b99c1c63d88c75a4dc5487c3696cda38697b8d35

Other References

https://git.kernel.org/stable/c/82b6dfff0d6000b14b271f74e43d672d81fb390e

Frequently Asked Questions

What is CVE-2025-23137? +

In the Linux kernel, the following vulnerability has been resolved: cpufreq/amd-pstate: Add missing NULL ptr check in amd_pstate_update Check if policy is NULL before dereferencing it in amd_pstate_update. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-23137? +

CVE-2025-23137 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-23137? +

CVE-2025-23137 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-23137? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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