CVE-2025-22047
Published: April 18, 2025Last modified: April 18, 2025
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).
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- 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