#VU119506 Memory leak in Linux kernel - CVE-2025-40341
Published: December 10, 2025
Vulnerability identifier: #VU119506
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-2025-40341
CWE-ID: CWE-401
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 memory leak within the SYSCALL_DEFINE2(), SYSCALL_DEFINE3() and COMPAT_SYSCALL_DEFINE3() functions in kernel/futex/syscalls.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/3b4222494489f6d4b8705a496dab03384b7ca998
- https://git.kernel.org/stable/c/4aced32596ead1820b7dbd8e40d30b30dc1f3ad4
- https://git.kernel.org/stable/c/6511984d1aa1360181bcafb1ca75df7f291ef237
- https://git.kernel.org/stable/c/6b54082c3ed4dc9821cdf0edb17302355cc5bb45
- https://git.kernel.org/stable/c/b524455a51feb6013df3a5dba3160487b2e8e22a