#VU120020 Use-after-free in Linux kernel - CVE-2025-68285
Published: December 16, 2025
Vulnerability identifier: #VU120020
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-2025-68285
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 monmap_show() and osdmap_show() functions in net/ceph/debugfs.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/05ec43e9a9de67132dc8cd3b22afef001574947f
- https://git.kernel.org/stable/c/076381c261374c587700b3accf410bdd2dba334e
- https://git.kernel.org/stable/c/183ad6e3b651e8fb0b66d6a2678f4b80bfbba092
- https://git.kernel.org/stable/c/3fc43120b22a3d4f1fbeff56a35ce2105b6a5683
- https://git.kernel.org/stable/c/7c8ccdc1714d9fabecd26e1be7db1771061acc6e
- https://git.kernel.org/stable/c/bb4910c5fd436701faf367e1b5476a5a6d2aff1c
- https://git.kernel.org/stable/c/e08021b3b56b2407f37b5fe47b654be80cc665fb