Null Pointer Dereference in drm/msm Package
Summary
GSD-2021-1002002: drm/msm: Fix null pointer dereference on pointer edp. Affects Kernel versions >= ab5b0107ccf3821a6837b0f2819270d6fa0b278f, < f302be08e3de94db8863a0b2958b2bb3e8e998e6. No fix is published. How to fix ↓
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Background
The drm/msm package is a component of the Linux Kernel that provides support for graphics hardware in Qualcomm Snapdragon SoCs. It includes drivers for display controllers, connectors, and other related functionality. The package is responsible for managing the display subsystem and enabling graphics rendering on devices using Qualcomm chipsets.
Vulnerability Detail
The vulnerability identified as GSD-2021-1002002 is a null pointer dereference issue in the drm/msm package. This vulnerability occurs when a null pointer is accessed, leading to a system crash or potential privilege escalation. The vulnerability was introduced in version v4.0 of the Linux Kernel and was fixed in version v5.4.155. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The null pointer dereference vulnerability in the drm/msm package of the Linux Kernel can lead to system crashes or potential privilege escalation. It is recommended to update the Linux Kernel to version v5.4.155 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can range from a system crash to potential privilege escalation, depending on how it is exploited.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, no known exploits for this vulnerability have been identified.
For more details about this vulnerability, you can refer to the source at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002002.json.
The official Linux Kernel repository can be found at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/.
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