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Vulnerability DatabaseCVE-2022-50526
CVE-2022-50526:
Linux Debian vulnerability analysis and mitigation
Overview
CVE-2022-50526 is a vulnerability in the Linux kernel's DRM (Direct Rendering Manager) MSM DisplayPort subsystem. The vulnerability was discovered in the drm/msm/dp component and involves potential memory corruption that can occur when handling bridge configurations (NVD).
Technical details
The vulnerability stems from missing sanity checks on the bridge counter in the MSM DisplayPort driver, which could lead to corrupting data beyond the fixed-sized bridge array when there are more than eight bridges. The issue was addressed by adding necessary validation to prevent buffer overflow conditions (NVD).
Impact
If exploited, this vulnerability could result in memory corruption in the kernel space, potentially leading to system instability or crashes. The impact is limited to systems using the MSM DisplayPort driver (NVD).
Mitigation and workarounds
The vulnerability has been fixed by adding a missing sanity check on the bridge counter. Users should update their Linux kernel to a version containing the fix. The patch is available at https://patchwork.freedesktop.org/patch/502664/ (NVD).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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