SB20250620224 - Input validation error in Linux kernel video fbdev driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620224
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) Input validation error (CVE-ID: CVE-2022-50101)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the vt8623fb_set_par() function in drivers/video/fbdev/vt8623fb.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/4a3cef1eaced13ba9b55381d46bfad937a3dac2c
- https://git.kernel.org/stable/c/52ad9bfeb8a0e62de30de6d39e8a49a72dd78150
- https://git.kernel.org/stable/c/73280a184aa2e1a625ce54ce761042955cc79cd0
- https://git.kernel.org/stable/c/b17caec5127bba6f90af92bcc85871df54548ac0
- https://git.kernel.org/stable/c/bd8269e57621e5b38cc0b4bd2fa02e85c9f2a441
- https://git.kernel.org/stable/c/c7a3f41e4b133d4dd25bc996b69039b19a34d69d
- https://git.kernel.org/stable/c/d71528ccdc7ae8d7500d414091d27805c51407a2
- https://git.kernel.org/stable/c/ec0754c60217248fa77cc9005d66b2b55200ac06
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.256
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0