SB20241022173 - Improper error handling in Linux kernel fbdev core driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022173
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) Improper error handling (CVE-ID: CVE-2024-50048)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the set_con2fb_map() function in drivers/video/fbdev/core/fbcon.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/8266ae6eafdcd5a3136592445ff4038bbc7ee80e
- https://git.kernel.org/stable/c/f7fb5dda555344529ce584ff7a28b109528d2f1b
- https://git.kernel.org/stable/c/e5c2dba62996a3a6eeb34bd248b90fc69c5a6a1b
- https://git.kernel.org/stable/c/5b97eebcce1b4f3f07a71f635d6aa3af96c236e7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57