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

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2025-38421

Published

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.

Source published
25 Jul 2025 14:16:42 UTC
Source modified
21 Oct 2026 12:37:04 UTC
Observed here
23 Oct 2026 15:48:27 UTC
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CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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Sources read 8 Nov 11:13 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current