Vulnerability in Kernel package: s390/stack
Summary
UVI-2021-1001136: s390/stack: fix possible register corruption with stack switch helper. Affects Kernel versions >= ff340d2472ec7618443913928af9fb85a7009270, < 24b8aa8c90a86d95600549f2dbdd2fc7381e48d9. 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 essential functionality and acts as an interface between the hardware and software layers. The s390/stack module within the Kernel package is responsible for managing the stack and its associated operations. It plays a crucial role in the execution of programs and the management of memory. However, a vulnerability has been identified in the stack switch helper function, which could lead to potential register corruption.
Vulnerability Detail
The vulnerability in the s390/stack module arises from a flaw in the stack switch helper function. If exploited, this vulnerability could result in register corruption, potentially leading to unexpected behavior or system crashes. The exact impact and attack plausibility have not been proven yet. The vulnerability was introduced in version v4.20 of the Linux Kernel and has been fixed in version v5.12.14. For more technical details, please refer to the provided references.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability. It is advised to apply the recommended fix by updating the Kernel package.
Conclusion
In conclusion, a vulnerability has been identified in the s390/stack module of the Kernel package. This vulnerability could result in register corruption and potentially lead to unexpected behavior or system crashes. It is crucial to update the Kernel package to version v5.12.14 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could result in register corruption, potentially leading to unexpected behavior or system crashes.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file, such as package-lock.json, and Vulert will provide real-time monitoring and alerts for open-source vulnerabilities.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Kernel package to the fixed version.
You can find more information about this vulnerability in the provided references and the official documentation of the Linux Kernel package.
This vulnerability was discovered through automated analysis and testing of the Linux Kernel package. The exact details of the discovery process have not been disclosed.
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