SB20250227107 - NULL pointer dereference in Linux kernel net
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227107
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-2025-21720)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the include/net/xfrm.h. 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/600258d555f0710b9c47fb78d2d80a4aecd608cc
- https://git.kernel.org/stable/c/6945701ca1572f81bc9bb46f624b02eabb3eaf3e
- https://git.kernel.org/stable/c/981ad4c882096e7375b8c2181dd4c3ee58ea5bae
- https://git.kernel.org/stable/c/c6e1b2cac24b2a4d1dd472071021bf00c26450eb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76