UAF Vulnerability in Kernel package
Summary
GSD-2021-1001822: can: peak_pci: peak_pci_remove(): fix UAF. Affects Kernel versions >= e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd, < 1248582e47a9f7ce0ecd156c39fc61f8b6aa3699. 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 various hardware and software components. The package is responsible for managing system resources, including memory, processes, and device drivers. The vulnerability in question is a Use-After-Free (UAF) issue in the peak_pci module of the Kernel package.
Vulnerability Detail
The UAF vulnerability in the peak_pci module of the Kernel package allows an attacker to exploit a use-after-free condition. This occurs when the module attempts to access memory that has already been freed, leading to potential memory corruption or arbitrary code execution. The vulnerability was introduced in version v3.4 of the Kernel package and was fixed in version v5.4.156. The impact and attack plausibility of this vulnerability have not been proven.
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 UAF vulnerability in the Kernel package's peak_pci module has been identified and fixed in version v5.4.156. It is recommended to update to this version or later to mitigate the potential risks associated with this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, it could lead to memory corruption or arbitrary code execution.
You can use the Vulert Playground at Vulert 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.
There is no known exploit for this vulnerability at the moment. However, it is always recommended to apply security patches and updates to mitigate potential risks.
The recommended mitigation is to update the Kernel package to version v5.4.156 or later, which includes the fix for this vulnerability.
You can find more information about this vulnerability in the official Linux Kernel repository and the vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability ID is GSD-2021-1001822.
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