CVE-2023-0030: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A use-after-free flaw was found in the Linux kernel’s nouveau driver in how a user triggers a memory overflow that causes the nvkm_vma_tail function to fail. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected products

• Linux Linux Kernel: before 5.0 (fixed in 5.0)

Published 2023-03-08. Last modified 2026-06-17.