SB2025010725 - Use-after-free in Linux kernel platforms book3s
Published: January 7, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025010725
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-56765)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vas_mmap_fault() function in arch/powerpc/platforms/book3s/vas-api.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05aa156e156ef3168e7ab8a68721945196495c17
- https://git.kernel.org/stable/c/6d9cd27105459f169993a4c5f216499a946dbf34
- https://git.kernel.org/stable/c/8b2282b5084521254a2cd9742a3f4e1d5b77f843
- https://git.kernel.org/stable/c/b7f60ffdfd96f8fc826f1d61a1c6067d828e20b9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.69