SB2025070533 - NULL pointer dereference in Linux kernel fbdev core driver
Published: July 5, 2025
Security Bulletin ID
SB2025070533
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-2025-38198)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the fbcon_info_from_console() function in drivers/video/fbdev/core/fbcon.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/519ba75728ee8cd561dce25fc52a2ec5c47171dc
- https://git.kernel.org/stable/c/54b28f7c567dd659e5f9562f518e4d7f3f6a367b
- https://git.kernel.org/stable/c/b3237d451bf3a4490cb1a76f3b7c91d9888f1c4b
- https://git.kernel.org/stable/c/cedc1b63394a866bf8663a3e40f4546f1d28c8d8
- https://git.kernel.org/stable/c/f28f1f578cd810779d01999c60618cda14c281dd