#VU112297 NULL pointer dereference in Linux kernel - CVE-2025-38203
Published: July 5, 2025
Vulnerability identifier: #VU112297
Vulnerability risk: Low
CVSSv4.0: 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-2025-38203
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the jfs_ioc_trim() function in fs/jfs/jfs_discard.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0d50231d473f89024158dc62624930de45d13718
- https://git.kernel.org/stable/c/4a8cb9908b51500a76f5156423bd295df53bff89
- https://git.kernel.org/stable/c/9806ae34d7d661c372247cd36f83bfa0523d60ed
- https://git.kernel.org/stable/c/a4685408ff6c3e2af366ad9a7274f45ff3f394ee
- https://git.kernel.org/stable/c/a9d41c925069c950e18160e12a7e10e0f58c56fb