#VU120050 NULL pointer dereference in Linux kernel - CVE-2025-68229
Published: December 16, 2025
Vulnerability identifier: #VU120050
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-2025-68229
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 tcm_loop_tpg_address_show() function in drivers/target/loopback/tcm_loop.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/13aff3b8a7184281b134698704d6c06863a8361b
- https://git.kernel.org/stable/c/1c9ba455b5073253ceaadae4859546e38e8261fe
- https://git.kernel.org/stable/c/3d8c517f6eb27e47b1a198e05f8023038329b40b
- https://git.kernel.org/stable/c/63f511d3855f7f4b35dd63dbc58fc3d935a81268
- https://git.kernel.org/stable/c/72e8831079266749a7023618a0de2f289a9dced6
- https://git.kernel.org/stable/c/a6ef60898ddaf1414592ce3e5b0d94276d631663
- https://git.kernel.org/stable/c/e6965188f84a7883e6a0d3448e86b0cf29b24dfc
- https://git.kernel.org/stable/c/f449a1edd7a13bb025aaf9342ea6f8bf92684bbf