CVE-2025-21841
cpufreq/amd-pstate: Fix cpufreq_policy ref counting
MEDIUM
5.5
CVSS Score
Published: March 7, 2025 at 09:09 AM UTC
Updated: June 17, 2026 at 08:44 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
Description
In the Linux kernel, the following vulnerability has been resolved: cpufreq/amd-pstate: Fix cpufreq_policy ref counting amd_pstate_update_limits() takes a cpufreq_policy reference but doesn't decrement the refcount in one of the exit paths, fix that.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
6.12 ≤ v < 6.12.166.12 ≤ v < 6.13.46.12 ≤ v < 6.146.13 ≤ v < 6.13.445722e777fd99ea863fe653c1838d39f678506e26.126.14 rc1
Vendor states this is fixed in 28e4c515cf644c621800bd97841757fd49891ba4 (fixed)
Vendor states this is fixed in 3ace20038e19f23fe73259513f1f08d4bf1a3c83 (fixed)
Vendor states this is fixed in 56e6976793c0fcf1638aa534242408ab4e4ca705 (fixed)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.12.16 (unaffected)
Vendor states this is fixed in 6.13.4 (unaffected)
Vendor states this is fixed in 6.14 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/28e4c515cf644c621800bd97841757fd49891ba4Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3ace20038e19f23fe73259513f1f08d4bf1a3c83Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/56e6976793c0fcf1638aa534242408ab4e4ca705CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
NVD-CWE-noinfo
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