powerpc/64s: Fix crashes when toggling entry flush barrier
Summary
UVI-2021-1000205: powerpc/64s: Fix crashes when toggling entry flush barrier. Affects Kernel versions >= f79643787e0a0762d2409b7b8334e83f22d85695, < 5bc00fdda1e934c557351a9c751a205293e68cbf. No fix is published. How to fix ↓
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Background
The powerpc/64s package is a component of the Linux Kernel, which is responsible for supporting the PowerPC architecture on 64-bit systems. It provides the necessary functionality for the execution of programs and management of system resources. However, a vulnerability has been discovered in this package that can lead to crashes when toggling the entry flush barrier.
Vulnerability Detail
The vulnerability in powerpc/64s arises from a flaw introduced in version v5.10 of the Linux Kernel. When attempting to toggle the entry flush barrier, crashes can occur, potentially leading to system instability and disruption of services. The impact and attack plausibility of this vulnerability have not been proven yet. The issue has been addressed in version v5.12.5 of the Linux Kernel by commit 5bc00fdda1e934c557351a9c751a205293e68cbf.
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.
Conclusion
The powerpc/64s package in the Linux Kernel is vulnerable to crashes when toggling the entry flush barrier. It is recommended to update the Linux Kernel to version v5.12.5 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
powerpc/64s is a component of the Linux Kernel that supports the PowerPC architecture on 64-bit systems.
The impact of this vulnerability can result in crashes and system instability when toggling the entry flush barrier.
To fix this vulnerability, update the Linux Kernel to version v5.12.5 or later.
No specific workaround has been provided for this vulnerability.
For more information, you can refer to the vulnerability details in the Open Source Vulnerability format or consult the official Linux Kernel documentation.
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