#VU113373 Use-after-free in Linux kernel - CVE-2025-38473
Published: July 29, 2025
Vulnerability identifier: #VU113373
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-2025-38473
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 l2cap_sock_resume_cb() function in net/bluetooth/l2cap_sock.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/6d63901dcd592a1e3f71d7c6d78f9be5e8d7eef0
- https://git.kernel.org/stable/c/a0075accbf0d76c2dad1ad3993d2e944505d99a0
- https://git.kernel.org/stable/c/ac3a8147bb24314fb3e84986590148e79f9872ec
- https://git.kernel.org/stable/c/b97be7ee8a1cd96b89817cbd64a9f5cc16c17d08
- https://git.kernel.org/stable/c/c4f16f6b071a74ac7eefe5c28985285cbbe2cd96