Vulnerability in Kernel Package: irqchip/gic-v3
Summary
GSD-2022-1004648: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions. Affects Kernel versions >= 52085d3f2028d853f8d6ce7ead2f8a504f6077fa, < 7c9dd9d23f26dabcfb14148b9acdfba540418b19. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services such as process management, memory management, and device drivers. The irqchip/gic-v3 module within the Kernel package specifically handles interrupt handling for ARM-based systems using the GICv3 architecture. This vulnerability, identified as GSD-2022-1004648, affects the gic_populate_ppi_partitions function within irqchip/gic-v3.
Vulnerability Detail
The gic_populate_ppi_partitions function in irqchip/gic-v3 suffers from a flaw that can lead to error handling issues. The vulnerability was introduced in version v5.4 of the Linux Kernel by commit 52085d3f2028d853f8d6ce7ead2f8a504f6077fa and was fixed in version v5.10.124 by commit 7c9dd9d23f26dabcfb14148b9acdfba540418b19. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially result in system instability, crashes, or privilege escalation.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the Kernel package's irqchip/gic-v3 module has the potential to cause system instability, crashes, or privilege escalation. It is crucial to update the Kernel package to version v5.10.124 or later to mitigate this vulnerability. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
If exploited, this vulnerability could potentially lead to system instability, crashes, or privilege escalation.
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 provide real-time alerts for open-source vulnerabilities, including this one.
At the moment, there are no known workarounds for this vulnerability. It is recommended to update the Kernel package to the fixed version.
The remote exploitability of this vulnerability has not been determined yet. However, it is always advisable to keep your systems up to date with the latest security patches.
This vulnerability was discovered by an automated process and reported in the GSD-2022-1004648 advisory.
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