SB2025121026 - Memory leak in Linux kernel hw hns driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121026
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) Memory leak (CVE-ID: CVE-2022-50662)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the hns_roce_alloc_mr() function in drivers/infiniband/hw/hns/hns_roce_mr.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/164fa80330a81db67c26d10d071083941d29a510
- https://git.kernel.org/stable/c/35f9cd060e68ff910e49bf37b1b0d336a311849a
- https://git.kernel.org/stable/c/a115aa00b18f7b8982b8f458149632caf64a862a
- https://git.kernel.org/stable/c/fc2c43bf41c89e7451fe750025ae55eb2e2a741d
- https://git.kernel.org/stable/c/fd32e378bc1dea0d48767adf2bbb478581bb0a95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16