SB2025102892 - Use-after-free in Linux kernel video fbdev driver
Published: October 28, 2025
Security Bulletin ID
SB2025102892
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-40037)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the simplefb_destroy(), simplefb_detach_genpds(), simplefb_attach_genpds() and simplefb_probe() functions in drivers/video/fbdev/simplefb.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.