CVE-2025-22047

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

Published: 4/16/2025 Last updated: 5/26/2025 Reserved: 12/29/2024

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).

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (1)

Product	Vendor	Version
Linux	Linux	<= 5.16.*

References (5)

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