SB2023030866 - Use after free in Linux kernel



SB2023030866 - Use after free in Linux kernel

Published: March 8, 2023

Security Bulletin ID SB2023030866
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use after free (CVE-ID: CVE-2023-0030)

The vulnerability allows a local user to execute arbitrary code.

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.


Remediation

Install update from vendor's website.