SB20250619224 - NULL pointer dereference in Linux kernel vdpa vdpa_sim driver



SB20250619224 - NULL pointer dereference in Linux kernel vdpa vdpa_sim driver

Published: June 19, 2025 Updated: June 21, 2025

Security Bulletin ID SB20250619224
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) NULL pointer dereference (CVE-ID: CVE-2022-50058)

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

The vulnerability exists due to NULL pointer dereference within the vdpasim_blk_dev_add() function in drivers/vdpa/vdpa_sim/vdpa_sim_blk.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.