PT-2025-10073 · Linux+1 · Linux Kernel+1

Published 2025-02-06 · Updated 2025-03-10 · CVE-2025-21841

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A issue in the Linux kernel has been resolved, specifically in the cpufreq/amd-pstate component. The amd pstate update limits() function takes a cpufreq policy reference but fails to decrement the refcount in one of the exit paths, which has been fixed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2025-12372

CVE-2025-21841

Affected Products

Astra Linux

Linux Kernel

References · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21841.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-21841 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21841 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-12372 · Security Note
• https://linux.oracle.com/errata/ELSA-2025-20480.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-21841 · Vendor Advisory
• https://git.kernel.org/stable/c/3ace20038e19f23fe73259513f1f08d4bf1a3c83 · Patch
• https://git.kernel.org/stable/c/56e6976793c0fcf1638aa534242408ab4e4ca705 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-21841 · Security Note
• https://git.kernel.org/stable/c/28e4c515cf644c621800bd97841757fd49891ba4 · Patch
• https://cve.org/CVERecord?id=CVE-2025-21841 · Security Note
• https://linux.oracle.com/errata/ELSA-2025-20530.html · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-21841 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0811SE18 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-21841 · Vendor Advisory