Race Condition Vulnerability in xen/arm Package
Summary
GSD-2022-1004214: xen/arm: Fix race in RB-tree based P2M accounting. Affects Kernel versions < efd9826d4c08abac7e8840757e3e1bfcf2876f70. No fix is published. How to fix ↓
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Background
The xen/arm package is a component of the Linux Kernel, which is responsible for virtualization on ARM-based systems. It provides the necessary functionality to manage the Physical-to-Machine (P2M) accounting using a Red-Black (RB) tree data structure. This vulnerability in the package arises due to a race condition in the RB-tree based P2M accounting mechanism.
Vulnerability Detail
The race condition in the xen/arm package's RB-tree based P2M accounting can lead to potential security vulnerabilities. Attackers may exploit this vulnerability to gain unauthorized access or perform arbitrary code execution on the affected system. The vulnerability has been fixed in the Linux Kernel version v5.18.10 by commit efd9826d4c08abac7e8840757e3e1bfcf2876f70.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The race condition vulnerability in the xen/arm package's RB-tree based P2M accounting has been addressed in the Linux Kernel version v5.18.10. It is crucial to update the Linux Kernel to the fixed version to mitigate the risk of potential security breaches. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow attackers to gain unauthorized access or execute arbitrary code on the affected system.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
The vulnerability is present in versions of the Linux Kernel prior to v5.18.10.
This vulnerability was discovered through automated analysis and has not yet been proven for its impact and attack plausibility.
You can find more information about this vulnerability in the official Linux Kernel repository and the Cloud Security Alliance's GSD database.
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