SB20250502169 - NULL pointer dereference in Linux kernel hw hns driver



SB20250502169 - NULL pointer dereference in Linux kernel hw hns driver

Published: May 2, 2025 Updated: May 10, 2025

Security Bulletin ID SB20250502169
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-2022-49930)

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

The vulnerability exists due to NULL pointer dereference within the free_mr_modify_qp() function in drivers/infiniband/hw/hns/hns_roce_hw_v2.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.