CVE-2025-22047 Information

Description

In the Linux kernel the following vulnerability has been resolved:

x86/microcode/AMD: Fix __apply_microcode_amd()’s return value

When verify_sha256_digest() fails __apply_microcode_amd() should propagate the failure by returning false (and not -1 which is promoted to true).

Reference

https://git.kernel.org/stable/c/31ab12df723543047c3fc19cb8f8c4498ec6267f https://git.kernel.org/stable/c/763f4d638f71cb45235395790a46e9f9e84227fd https://git.kernel.org/stable/c/7f705a45f130a85fbf31c2abdc999c65644c8307 https://git.kernel.org/stable/c/ada88219d5315fc13f2910fe278c7112d8d68889 https://git.kernel.org/stable/c/d295c58fad1d5ab987a81f139dd21498732c4f13