SB2025070528 - NULL pointer dereference in Linux kernel fbdev core driver
Published: July 5, 2025
Security Bulletin ID
SB2025070528
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-2025-38215)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the fb_check_foreignness() and do_register_framebuffer() functions in drivers/video/fbdev/core/fbmem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.