SB20250620226 - Input validation error in Linux kernel video fbdev driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620226
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-2022-50097)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the s3fb_set_par() function in drivers/video/fbdev/s3fb.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/3c35a0dc2b4e7acf24c796043b64fa3eee799239
- https://git.kernel.org/stable/c/52461d387cc8c8f8dc40320caa2e9e101f73e7ba
- https://git.kernel.org/stable/c/574912261528589012b61f82d368256247c3a5a8
- https://git.kernel.org/stable/c/5e0da18956d38e7106664dc1d06367b22f06edd3
- https://git.kernel.org/stable/c/6ba592fa014f21f35a8ee8da4ca7b95a018f13e8
- https://git.kernel.org/stable/c/ce50d94afcb8690813c5522f24cd38737657db81
- https://git.kernel.org/stable/c/e2d7cacc6a2a1d77e7e20a492daf458a12cf19e0
- https://git.kernel.org/stable/c/eacb50f1733660911827d7c3720f4c5425d0cdda
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211