SB20251226257 - Improper locking in Linux kernel hisilicon hns3 driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226257
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 locking (CVE-ID: CVE-2023-54000)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the hns3_external_lb_prepare() and hns3_external_lb_restore() functions in drivers/net/ethernet/hisilicon/hns3/hns3_enet.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/743f7c1762e098048ede8cdf8c89a118f8d12391
- https://git.kernel.org/stable/c/ac6257a3ae5db5193b1f19c268e4f72d274ddb88
- https://git.kernel.org/stable/c/d9f609cb50ebab4aa6341112f406bf9d3928ac81
- https://git.kernel.org/stable/c/ef2d6bf9695669d31ece9f2ef39dec84874a87c7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.11