CVE-2026-53121

Source
https://cve.org/CVERecord?id=CVE-2026-53121
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53121.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-53121
Downstream
Published
2026-06-24T16:30:51.294Z
Modified
2026-06-25T04:05:22.303427073Z
Summary
amd-pstate: Fix memory leak in amd_pstate_epp_cpu_init()
Details

In the Linux kernel, the following vulnerability has been resolved:

amd-pstate: Fix memory leak in amdpstateeppcpuinit()

On failure to set the epp, the function amdpstateeppcpuinit() 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).

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53121.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
f9a378ff6443cdcd4387e5dbb76fa5fa549a83ec
Fixed
539aabbab190825c77eb455ec35652cb3720625f
Fixed
7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b
Fixed
beda3b363546a423e4e29a7395e04c0ac4ff677e

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53121.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.14.0
Fixed
6.18.33
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.0.10

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53121.json"