Memory leak in Linux kernel - CVE-2026-43242
Published: May 7, 2026
Vulnerability identifier: #VU130486
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43242
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in k3-socinfo probe handling when probing the driver. A local user can trigger repeated probe failures to cause a denial of service.
The issue can be triggered on probe failure conditions such as probe deferral or driver unbind.
How to mitigate CVE-2026-43242
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/458136527fe127fd051c1c9537f4540849780d70
- https://git.kernel.org/stable/c/ab1ac24c407e4df326d7154a4deadd444e9209d9
- https://git.kernel.org/stable/c/b1006b5892ec8a95d039a89b47e6fd69cf607405
- https://git.kernel.org/stable/c/bbaa9e615608c204d384a7d4b1a434580a142d4c
- https://git.kernel.org/stable/c/c933138d45176780fabbbe7da263e04d5b3e525d
- https://git.kernel.org/stable/c/c97c21d342838b2a7787b0f1d6ad417e85c906f6
- https://git.kernel.org/stable/c/d451bf970a0c54b586f8b3161261bdf35d463c99
- https://git.kernel.org/stable/c/eaa16059f9af26d8b8a6f3e887649f58e8ca96c9