#VU111467 Use-after-free in Linux kernel - CVE-2025-38029

Vulnerability identifier: #VU111467

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-2025-38029

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 kasan_populate_early_vm_area_shadow() and kasan_populate_vmalloc() functions in mm/kasan/shadow.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/6748dd09196248b985cca39eaf651d5317271977
https://git.kernel.org/stable/c/b6ea95a34cbd014ab6ade4248107b86b0aaf2d6c

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?