SB20240610108 - Integer underflow in Linux kernel dc dcn32 driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240610108
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer underflow (CVE-ID: CVE-2023-52671)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the optc32_disable_crtc() function in drivers/gpu/drm/amd/display/dc/dcn32/dcn32_optc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239
- https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5
- https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8