#VU121512 Double free in Linux kernel - CVE-2025-71131
Published: January 14, 2026
Vulnerability identifier: #VU121512
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-2025-71131
CWE-ID: CWE-415
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 a double free error within the seqiv_aead_encrypt() function in crypto/seqiv.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0279978adec6f1296af66b642cce641c6580be46
- https://git.kernel.org/stable/c/50f196d2bbaee4ab2494bb1b0d294deba292951a
- https://git.kernel.org/stable/c/50fdb78b7c0bcc550910ef69c0984e751cac72fa
- https://git.kernel.org/stable/c/5476f7f8a311236604b78fcc5b2a63b3a61b0169
- https://git.kernel.org/stable/c/ccbb96434d88e32358894c879457b33f7508e798