Linux Kernel up to 6.14.1 amd_pstate_update null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Linux Kernel up to 6.14.1. Affected by this issue is the function amd_pstate_update. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2025-23137. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.14.1. It has been classified as critical. Affected is the function amd_pstate_update. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2025-23137 since 01/11/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240657 (Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.14.2 or 6.15-rc1 eliminates this vulnerability. Applying the patch b99c1c63d88c75a4dc5487c3696cda38697b8d35/426db24d4db2e4f0d6720aeb7795eafcb9e82640 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (240657) and CERT Bund (WID-SEC-2025-0844). Once again VulDB remains the best source for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • Dell Avamar
  • SolarWinds Security Event Manager
  • Dell NetWorker
  • Dell Secure Connect Gateway
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240657
Nessus Name: Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.14.2/6.15-rc1
Patch: b99c1c63d88c75a4dc5487c3696cda38697b8d35/426db24d4db2e4f0d6720aeb7795eafcb9e82640

Timelineinfo

01/11/2025 🔍
04/16/2025 +94 days 🔍
04/16/2025 +0 days 🔍
02/15/2026 +305 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-23137 (🔍)
GCVE (CVE): GCVE-0-2025-23137
GCVE (VulDB): GCVE-100-305196
CERT Bund: WID-SEC-2025-0844 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 04/16/2025 17:36
Updated: 02/15/2026 17:38
Changes: 04/16/2025 17:36 (58), 06/27/2025 13:56 (11), 06/28/2025 16:03 (2), 08/25/2025 23:39 (7), 02/15/2026 17:38 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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