SB20241230279 - Incorrect calculation in Linux kernel kernel cpu
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230279
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) Incorrect calculation (CVE-ID: CVE-2024-56721)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the init_amd_bd() function in arch/x86/kernel/cpu/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/82d6b82cf89d950982ac240ba068c3a7e1f23b0a
- https://git.kernel.org/stable/c/ccfee14f08b8699132b87bc6d78e0fa75bf094dd
- https://git.kernel.org/stable/c/ff6cdc407f4179748f4673c39b0921503199a0ad
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13