Vulnerability in drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem
Summary
GSD-2022-1003695: drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem. Affects Kernel versions < 19323b3671a85788569d15685c8f83a05ec48cbb. No fix is published. How to fix ↓
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Background
The drm/etnaviv package is a component of the Linux Kernel ecosystem. It provides support for the Etnaviv GPU, which is commonly found in embedded systems. The package includes drivers and related functionality for managing graphics rendering on devices that utilize the Etnaviv GPU. This vulnerability specifically affects the etnaviv_iommu_unmap_gem function within the package.
Vulnerability Detail
The vulnerability in drm/etnaviv arises from a failure to check for a reaped mapping in the etnaviv_iommu_unmap_gem function. This oversight could potentially lead to a security breach. While the impact and attack plausibility have not been proven, it is crucial to address this vulnerability promptly. The vulnerability has been fixed in Linux Kernel version v5.4.198 by commit 19323b3671a85788569d15685c8f83a05ec48cbb.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability.
Conclusion
In conclusion, the vulnerability in drm/etnaviv's etnaviv_iommu_unmap_gem function poses a potential security risk. It is crucial to update the Linux Kernel to version v5.4.198 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown, as the attack plausibility has not been proven. However, it is important to address this vulnerability to prevent potential security breaches.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it in real-time.
Yes, a patch has been released in Linux Kernel version v5.4.198. It is recommended to update to this version or later to fix the vulnerability.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version to mitigate the risk.
You can find more information about this vulnerability in the GSD-2022-1003695 entry of the GSD database. The link to the specific entry is provided in the references section.
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