Null Pointer Dereference in drm/msm Package
Summary
GSD-2021-1001978: drm/msm: Fix null pointer dereference on pointer edp. Affects Kernel versions >= ab5b0107ccf3821a6837b0f2819270d6fa0b278f, < 7f642b93710b6b1119bdff90be01e6b5a2a5d669. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The drm/msm package is a component of the Linux Kernel that provides support for graphics and display drivers on Qualcomm Snapdragon processors. It includes drivers for various display interfaces, such as HDMI, DisplayPort, and Embedded DisplayPort (eDP). The package is responsible for managing the communication between the kernel and the graphics hardware, enabling the rendering and output of graphics on supported devices.
Vulnerability Detail
The vulnerability identified as GSD-2021-1001978 is a null pointer dereference issue in the drm/msm package. A null pointer dereference occurs when a program attempts to access or manipulate data through a null pointer, resulting in a crash or potentially exploitable behavior. In this case, the vulnerability specifically affects the 'edp' pointer in the package, leading to a null pointer dereference. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The null pointer dereference vulnerability in the drm/msm package of the Linux Kernel can potentially lead to crashes or exploitable behavior. It is recommended to update the Linux Kernel to version v4.19.213 or a later one to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
A null pointer dereference occurs when a program attempts to access or manipulate data through a null pointer, resulting in a crash or potentially exploitable behavior.
The impact of this vulnerability is not yet proven. However, null pointer dereference issues can lead to crashes, instability, or potentially exploitable behavior in software.
You can use tools like Vulert (https://vulert.com) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in software.
Yes, the vulnerability has been fixed in Linux Kernel version v4.19.213 by commit 7f642b93710b6b1119bdff90be01e6b5a2a5d669. It is recommended to update the Linux Kernel to this version or a later one.
You can find more information about this vulnerability in the GSD-2021-1001978 entry of the GSD Database maintained by the Cloud Security Alliance. The source link is provided in the vulnerability details.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
