Boundary Check Missing in drm/i915/gem: vm_access
Summary
GSD-2022-1001588: drm/i915/gem: add missing boundary check in vm_access. Affects Kernel versions >= 9f909e215fea0652023b9ed09d3d7bfe10386423, < 5f6e560e3e86ac053447524224e411034f41f5c7. No fix is published. How to fix ↓
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Background
The drm/i915/gem package is a component of the Linux Kernel that provides support for Intel integrated graphics devices. It includes a set of drivers and modules that enable the management and control of graphics memory and rendering operations. The vm_access function within the package is responsible for handling virtual memory access for the graphics device. However, a missing boundary check in this function can lead to potential security vulnerabilities.
Vulnerability Detail
The vulnerability arises from a missing boundary check in the vm_access function of the drm/i915/gem package. This issue was introduced in version v5.8 of the Linux Kernel and was fixed in version v5.16.19. An attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive information or execute arbitrary code. 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
In conclusion, the drm/i915/gem package in the Linux Kernel is vulnerable to a missing boundary check in the vm_access function. This vulnerability can potentially lead to unauthorized access or code execution. It is crucial to update the Linux Kernel to version v5.16.19 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 could potentially allow an attacker to gain unauthorized access to sensitive information or execute arbitrary code.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will alert you in real-time if any open-source vulnerabilities, including this one, are detected.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
The recommended mitigation is to update the Linux Kernel to version v5.16.19 or later, which includes the necessary patch to address the vulnerability.
You can find more information about this vulnerability in the official Linux Kernel repository: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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