Is CVE-2026-53121 in the CISA KEV catalog?

No. CVE-2026-53121 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2026-53121?

CVE-2026-53121 has an EPSS score of 0.15% (5th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-53121?

Upgrade linux on debian unstable to 7.0.10-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-53121

UNSCORED

NVD

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).

How to fix

Remediation Available

linuxDebian

Fixed in:7.0.10-1CVE-2026-53121

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.15%probability of exploitation in 30 days

5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-24.