SB2023081453 - Denial of service in Linux kernel fbdev video driver
Published: August 14, 2023
Security Bulletin ID
SB2023081453
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) Buffer overflow (CVE-ID: CVE-2023-38409)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the set_con2fb_map() function in drivers/video/fbdev/core/fbcon.c. A local user can trigger memory corruption and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.