SB20250422190 - Input validation error in Linux kernel cpu microcode
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422190
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-22047)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the __apply_microcode_amd() function in arch/x86/kernel/cpu/microcode/amd.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11