#VU113269 NULL pointer dereference in Linux kernel - CVE-2025-38399

Vulnerability identifier: #VU113269

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-38399

CWE-ID: CWE-476

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 perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the kmem_cache_free() function in drivers/target/target_core_pr.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/1129e0e0a833acf90429e0f13951068d5f026e4f
https://git.kernel.org/stable/c/1627dda4d70ceb1ba62af2e401af73c09abb1eb5
https://git.kernel.org/stable/c/55dfffc5e94730370b08de02c0cf3b7c951bbe9e
https://git.kernel.org/stable/c/70ddb8133fdb512d4b1f2b4fd1c9e518514f182c
https://git.kernel.org/stable/c/7296c938df2445f342be456a6ff0b3931d97f4e5
https://git.kernel.org/stable/c/c412185d557578d3f936537ed639c4ffaaed4075
https://git.kernel.org/stable/c/d8ab68bdb294b09a761e967dad374f2965e1913f

---

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?