#VU112286 Use-after-free in Linux kernel - CVE-2025-38212

Vulnerability identifier: #VU112286

Vulnerability risk: Low

CVSSv4.0: 5.9 [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-2025-38212

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 shm_try_destroy_orphaned() function in ipc/shm.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/5180561afff8e0f029073c8c8117c95c6512d1f9
https://git.kernel.org/stable/c/5f1e1573bf103303944fd7225559de5d8297539c
https://git.kernel.org/stable/c/68c173ea138b66d7dd1fd980c9bc578a18e11884
https://git.kernel.org/stable/c/74bc813d11c30e28fc5261dc877cca662ccfac68
https://git.kernel.org/stable/c/78297d53d3878d43c1d627d20cd09f611fa4b91d
https://git.kernel.org/stable/c/b0b6bf90ce2699a574b3683e22c44d0dcdd7a057
https://git.kernel.org/stable/c/b968ba8bfd9f90914957bbbd815413bf6a98eca7
https://git.kernel.org/stable/c/d66adabe91803ef34a8b90613c81267b5ded1472

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?