SB20250919123 - Stack-based buffer overflow in Linux kernel crypto hisilicon driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250919123
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2022-50407)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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.