SB20250919123 - Stack-based buffer overflow in Linux kernel crypto hisilicon driver



SB20250919123 - Stack-based buffer overflow in Linux kernel crypto hisilicon driver

Published: September 19, 2025 Updated: September 22, 2025

Security Bulletin ID SB20250919123
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) Stack-based buffer overflow (CVE-ID: CVE-2022-50407)

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

The vulnerability exists due to stack overflow within the qm_get_qos_value() function in drivers/crypto/hisilicon/qm.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.