SB20250620150 - Integer underflow in Linux kernel dc dcn10 driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620150
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-2022-49969)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer underflow within the optc1_enable_optc_clock() function in drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3101839b080137c367f3f88c2a040f791de880aa
- https://git.kernel.org/stable/c/3c1dfeaeb3b4e3ea656041da1241e6ee3c3b3202
- https://git.kernel.org/stable/c/443687798d6f094412b7312b64b3bb4d99aedff7
- https://git.kernel.org/stable/c/5ee30bcfdb32526233d2572f3d9ec371928679f1
- https://git.kernel.org/stable/c/814b756d4ec3a8728debb116cf49005feada7750
- https://git.kernel.org/stable/c/b2a93490201300a749ad261b5c5d05cb50179c44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.141
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.65
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.212
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0