Improper Initialization in Linux kernel - CVE-2026-43146
Published: May 7, 2026
Vulnerability identifier: #VU130586
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-43146
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper initialization in internal buffer handling when creating internal buffers. A local user can trigger a DMA allocation failure to cause a denial of service.
The issue can leave a partially initialized buffer in the list, resulting in an inconsistent state and potential leaks.
Affected software
Linux kernel
How to mitigate CVE-2026-43146
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3