SB20251001114 - Incorrect calculation in Linux kernel drm rockchip driver
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001114
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) Incorrect calculation (CVE-ID: CVE-2022-50443)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the rk3288_lvds_poweron() and px30_lvds_poweron() functions in drivers/gpu/drm/rockchip/rockchip_lvds.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/110bf15825edf4f20bc4e56aba624297861b06ab
- https://git.kernel.org/stable/c/12a9b4c4ebd9a0ba856370e088564af83cffd565
- https://git.kernel.org/stable/c/4dba27f1a14592ac4cf71c3bc1cc1fd05dea8015
- https://git.kernel.org/stable/c/589a911980b730feadb9c430bc0747a118b04dd8
- https://git.kernel.org/stable/c/f6ed73db390319b248b91a6325da1a48ad85e0d1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86