#VU118392 Use-after-free in Linux kernel - CVE-2025-40149
Published: November 12, 2025
Vulnerability identifier: #VU118392
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-2025-40149
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 tls_device_queue_ctx_destruction() function in net/tls/tls_device.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.