Vulnerability in Kernel package: drm/i915: Treat SAGV block time 0 as SAGV disabled
Summary
GSD-2022-1001127: drm/i915: Treat SAGV block time 0 as SAGV disabled. Affects Kernel versions < df06213334740f4001b10c69ed447b8f6a6f4262. No fix is published. How to fix ↓
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Background
The Kernel package is a fundamental component of the Linux operating system. It provides the core functionality and interfaces for communication between hardware and software. The drm/i915 module within the Kernel package is responsible for managing graphics and display operations for Intel integrated graphics devices. This vulnerability specifically affects the SAGV (Shared Adaptive Graphics Virtualization) feature of the drm/i915 module.
Vulnerability Detail
The vulnerability in the drm/i915 module allows an attacker to bypass the SAGV block time by setting it to 0, effectively disabling SAGV. SAGV is a feature that allows multiple virtual machines to share a single graphics device, providing virtualized graphics capabilities. By exploiting this vulnerability, an attacker could gain unauthorized access to the graphics device and potentially compromise the security and integrity of the system. This vulnerability has been addressed in Linux Kernel version v5.17.2 by commit df06213334740f4001b10c69ed447b8f6a6f4262.
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.
Conclusion
The vulnerability in the Kernel package's drm/i915 module that allows an attacker to disable the SAGV feature has been addressed in Linux Kernel version v5.17.2. It is crucial to update the Kernel package to the latest version to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows an attacker to disable the SAGV feature in the drm/i915 module, potentially compromising the security and integrity of the system.
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 and Vulert will analyze it for any open-source vulnerabilities, including this one.
There are no known exploits for this vulnerability at the time of this report. However, it is important to apply the necessary updates to mitigate the risk.
This vulnerability requires local access to the system in order to exploit it. Remote exploitation is not possible.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
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