SB20250620169 - Division by zero in Linux kernel video fbdev driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620169
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) Division by zero (CVE-ID: CVE-2022-50010)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a division by zero error within the i740fb_decode_var() function in drivers/video/fbdev/i740fb.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/2b7f559152a33c55f51b569b22efbe5e24886798
- https://git.kernel.org/stable/c/40bf722f8064f50200b8c4f8946cd625b441dda9
- https://git.kernel.org/stable/c/4b20c61365140d432dee7da7aa294215e7b900d9
- https://git.kernel.org/stable/c/59cefb583c984c0da8cf21a4c57d26d5a20dff5c
- https://git.kernel.org/stable/c/656689cb03ada4650016c153346939a1c334b1ae
- https://git.kernel.org/stable/c/d2d375eb68b4b8de6ea7460483a26fa9de56b443
- https://git.kernel.org/stable/c/e740e787f06671455b59d1e498c9945f7b4e7b3b
- https://git.kernel.org/stable/c/f350812e2d15278f1d867eeb997407782234fb3c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4