#VU122897 NULL pointer dereference in Linux kernel - CVE-2026-23155
Published: February 16, 2026
Vulnerability identifier: #VU122897
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-2026-23155
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 gs_usb_receive_bulk_callback() function in drivers/net/can/usb/gs_usb.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/494fc029f662c331e06b7c2031deff3c64200eed
- https://git.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9
- https://git.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26
- https://git.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6
- https://git.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5