SB20251001160 - Improper resource shutdown or release in Linux kernel hisilicon hpre driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001160
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 security vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2022-50420)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to failure to properly release resources within the hpre_probe() function in drivers/crypto/hisilicon/hpre/hpre_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2b3e3ecdb402ff1053ee25b598ff21b9ddf4384f
- https://git.kernel.org/stable/c/45e6319bd5f2154d8b8c9f1eaa4ac030ba0d330c
- https://git.kernel.org/stable/c/4e0de941d252d4e7c985981e78480c8d6f020b64
- https://git.kernel.org/stable/c/cb873c93a7ad27681920bf062ef052fca1e8d5b1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2