amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()
Summary
| CVE | CVE-2026-53121 |
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-24 17:17:26 UTC |
| Updated | 2026-06-24 17:17:26 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved:
amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()
On failure to set the epp, the function amd_pstate_epp_cpu_init()
returns with an error code without freeing the cpudata object that was
allocated at the beginning of the function.
Ensure that the cpudata object is freed before returning from the
function.
This memory leak was discovered by Claude Opus 4.6 with the aid of
Chris Mason's AI review-prompts
(https://github.com/masoncl/review-prompts/tree/main/kernel). |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec 539aabbab190825c77eb455ec35652cb3720625f git |
Not specified |
| CNA |
Linux |
Linux |
affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec 7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b git |
Not specified |
| CNA |
Linux |
Linux |
affected f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec beda3b363546a423e4e29a7395e04c0ac4ff677e git |
Not specified |
| CNA |
Linux |
Linux |
affected 6.14 |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.14 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.33 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.0.10 7.0.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.1 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/beda3b363546a423e4e29a7395e04c0ac4ff677e |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/539aabbab190825c77eb455ec35652cb3720625f |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.