CVE-2025-38421

platform/x86/amd: pmf: Use device managed allocations

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd: pmf: Use device managed allocations If setting up smart PC fails for any reason then this can lead to a double free when unloading amd-pmf. This is because dev->buf was freed but never set to NULL and is again freed in amd_pmf_remove(). To avoid subtle allocation bugs in failures leading to a double free change all allocations into device managed allocations.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/0d10b532f861253c283863522d59d099fcb0796d
https://git.kernel.org/stable/c/d9db3a941270d92bbd1a6a6b54a10324484f2f2d

Frequently Asked Questions

What is the severity of CVE-2025-38421?: CVE-2025-38421 has not yet been assigned a CVSS score.
How to fix CVE-2025-38421?: To fix CVE-2025-38421, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38421 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38421 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38421?: CVE-2025-38421 affects Linux Linux, Linux Linux.

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