SB2024123052 - Use-after-free in Linux kernel tipc
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123052
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-2024-56642)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cleanup_bearer() function in net/tipc/udp_media.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4e69457f9dfae67435f3ccf29008768eae860415
- https://git.kernel.org/stable/c/650ee9a22d7a2de8999fac2d45983597a0c22359
- https://git.kernel.org/stable/c/6a2fa13312e51a621f652d522d7e2df7066330b6
- https://git.kernel.org/stable/c/d00d4470bf8c4282617a3a10e76b20a9c7e4cffa
- https://git.kernel.org/stable/c/d2a4894f238551eae178904e7f45af87577074fd
- https://git.kernel.org/stable/c/d62d5180c036eeac09f80660edc7a602b369125f
- https://git.kernel.org/stable/c/e48b211c4c59062cb6dd6c2c37c51a7cc235a464
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5