SB2023031658 - Denial of service in Linux kernel virtio



SB2023031658 - Denial of service in Linux kernel virtio

Published: March 16, 2023

Security Bulletin ID SB2023031658
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Return of pointer value outside of expected range (CVE-ID: CVE-2023-22998)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to unexpected value of the pointer returned as value in the drm_gem_shmem_get_sg_table() function in drivers/gpu/drm/virtio/virtgpu_object.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.