#VU119314 Use-after-free in Linux kernel - CVE-2025-40272
Published: December 8, 2025
Vulnerability identifier: #VU119314
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40272
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the secretmem_fault() function in mm/secretmem.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1e4643d6628edf9c0047b1f8f5bc574665025acb
- https://git.kernel.org/stable/c/42d486d35a4143cc37fc72ee66edc99d942dd367
- https://git.kernel.org/stable/c/4444767e625da46009fc94a453fd1967b80ba047
- https://git.kernel.org/stable/c/52f2d5cf33de9a8f5e72bbb0ed38282ae0bc4649
- https://git.kernel.org/stable/c/6f86d0534fddfbd08687fa0f01479d4226bc3c3d
- https://git.kernel.org/stable/c/bb1c19636aedae39360e6fdbcaef4f2bcff25785