Null Pointer Dereference in drm/msm Package
Summary
GSD-2021-1001792: drm/msm: Fix null pointer dereference on pointer edp. Affects Kernel versions >= ab5b0107ccf3821a6837b0f2819270d6fa0b278f, < 0cd063aa0a09822cc1620fc59a67fe2f9f6338ac. 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, GPUs, and other related functionality. The package is responsible for managing the display output and rendering graphics on devices using Qualcomm chipsets.
Vulnerability Detail
The vulnerability identified in the drm/msm package is a null pointer dereference on the 'edp' pointer. This vulnerability can be exploited by an attacker to cause a denial-of-service (DoS) condition or potentially execute arbitrary code. The null pointer dereference occurs when the 'edp' pointer is accessed without proper validation, leading to a crash or system instability. 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
There is no specific workaround mentioned for this vulnerability. However, applying the recommended fix by updating the Linux Kernel to the latest version will address the issue.
Conclusion
In conclusion, the null pointer dereference vulnerability in the drm/msm package of the Linux Kernel can lead to a denial-of-service condition or potential code execution. It is crucial to update the Linux Kernel to version v4.14.252 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can range from a denial-of-service (DoS) condition to potential execution of arbitrary code. However, the actual impact and attack plausibility have not been proven yet.
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 to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities, including this one.
As of now, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
The specific prerequisites for exploiting this vulnerability have not been mentioned. However, it is always recommended to keep your system and software up to date to minimize the risk of exploitation.
You can find more information about this vulnerability in the Open Source Vulnerability Database maintained by the Cloud Security Alliance. The vulnerability ID is GSD-2021-1001792, and the source can be accessed at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001792.json.
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