SB20241230144 - NULL pointer dereference in Linux kernel tipc
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230144
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) NULL pointer dereference (CVE-ID: CVE-2024-56661)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the cleanup_bearer() function in net/tipc/udp_media.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/07b569eda6fe6a1e83be5a587abee12d1303f95e
- https://git.kernel.org/stable/c/754ec823ee53422361da7958a8c8bf3275426912
- https://git.kernel.org/stable/c/89ecda492d0a37fd00aaffc4151f1f44c26d93ac
- https://git.kernel.org/stable/c/a771f349c95d3397636861a0a6462d4a7a7ecb25
- https://git.kernel.org/stable/c/a852c82eda4991e21610837aaa160965be71f5cc
- https://git.kernel.org/stable/c/b04d86fff66b15c07505d226431f808c15b1703c
- https://git.kernel.org/stable/c/d1d4dfb189a115734bff81c411bc58d9e348db7d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.288