SB20250916199 - NULL pointer dereference in Linux kernel hisilicon hibmc driver
Published: September 16, 2025
Security Bulletin ID
SB20250916199
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) NULL pointer dereference (CVE-ID: CVE-2025-39772)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the hibmc_load() function in drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.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/93a08f856fcc5aaeeecad01f71bef3088588216a
- https://git.kernel.org/stable/c/a4f1b9c57092c48bdc7958abd23403ccaed437b2
- https://git.kernel.org/stable/c/c950e1be3a24d021475b56efdb49daa7fbba63a9
- https://git.kernel.org/stable/c/d3e774266c28aefab3e9db334fdf568f936cae04
- https://git.kernel.org/stable/c/ddf1691f25345699296e642f0f59f2d464722fa3
- https://git.kernel.org/stable/c/f93032e5d68f459601c701f6ab087b5feb3382e8