#VU105010 NULL pointer dereference in Linux kernel - CVE-2025-21720
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105010
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21720
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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