CVE-2025-22047
High
x86/microcode/AMD: Fix __apply_microcode_amd()'s return value
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).
Exploit probability
0.2%
Published
April 16, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
16 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-22047
View original source
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).
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22047.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-22047