SB20250226429 - NULL pointer dereference in Linux kernel tipc
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226429
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-2022-49664)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tipc_node_create() and tipc_node_check_dest() functions in net/tipc/node.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/35fcb2ba35b4d9b592b558c3bcc6e0d90e213588
- https://git.kernel.org/stable/c/456bc338871c4a52117dd5ef29cce3745456d248
- https://git.kernel.org/stable/c/cb8092d70a6f5f01ec1490fce4d35efed3ed996c
- https://git.kernel.org/stable/c/e52910e671f58c619e33dac476b11b35e2d3ab6f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.10