Vulnerability in dmaengine: idxd package - Fix for WQCFG Register Cleanup
Summary
GSD-2021-1000031: dmaengine: idxd: fix wq cleanup of WQCFG registers. Affects Kernel versions >= da32b28c95a79e399e18c03f8178f41aec9c66e4, < e5eb9757fe4c2392e069246ae78badc573af1833. No fix is published. How to fix ↓
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Background
The dmaengine: idxd package is a component of the Linux Kernel that provides support for Intel Data Streaming Accelerator (IDSA) devices. These devices are used for high-performance data movement and processing tasks. The package includes various features and configurations for managing work queues (WQs) and their associated registers. However, a vulnerability has been identified in the package's handling of WQCFG registers during cleanup operations.
Vulnerability Detail
The vulnerability in the dmaengine: idxd package affects versions 5.8 to 5.10.31 of the Linux Kernel. It arises from improper cleanup of WQCFG registers, which can lead to potential security risks. An attacker could exploit this vulnerability to manipulate or corrupt WQCFG registers, potentially causing system instability or unauthorized access to sensitive data. The vulnerability was fixed in version 5.10.32 of the Linux Kernel.
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. It is advised to apply the fix mentioned in the 'how_to_fix' section.
Conclusion
The vulnerability in the dmaengine: idxd package's handling of WQCFG registers has the potential to cause system instability or unauthorized access to sensitive data. It is crucial to update the Linux Kernel to version 5.10.32 or later to mitigate this vulnerability. For further support or assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The dmaengine: idxd package is a component of the Linux Kernel that provides support for Intel Data Streaming Accelerator (IDSA) devices. These devices are used for high-performance data movement and processing tasks.
The vulnerability can potentially lead to system instability or unauthorized access to sensitive data.
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 the playground will provide real-time alerts for open-source vulnerabilities.
No specific workaround has been provided. It is recommended to apply the fix mentioned in the 'how_to_fix' section.
For more details about this vulnerability, you can refer to the source information provided by the Cloud Security Alliance (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000031.json).
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