SB2025090505 - Improper locking in Linux kernel hisilicon hibmcge driver
Published: September 5, 2025
Security Bulletin ID
SB2025090505
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-2025-38720)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the hbg_reset_prepare(), hbg_reset_done(), hbg_pci_err_reset_prepare() and hbg_pci_err_reset_done() functions in drivers/net/ethernet/hisilicon/hibmcge/hbg_err.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.