Fix crash with stop filters in single-range mode in Kernel
Summary
GSD-2022-1000234: perf/x86/intel/pt: Fix crash with stop filters in single-range mode. Affects Kernel versions >= 670638477aede0d7a355ced04b569214aa3feacd, < 456f041e035913fcedb275aff6f8a71dfebcd394. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages system resources and provides an interface for software to interact with the hardware. It is responsible for tasks such as process management, memory management, and device drivers. The vulnerability in the Kernel pertains to the perf/x86/intel/pt module and affects the functionality of stop filters in single-range mode.
Vulnerability Detail
The vulnerability in the perf/x86/intel/pt module of the Kernel can lead to a crash when stop filters are used in single-range mode. This issue was introduced in version v5.5 of the Kernel and has been fixed in version v5.10.99. The impact and attack plausibility of this vulnerability have not been proven yet. However, if exploited, it could potentially result in a denial of service or other system instability.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.10.99 or later. This can be done by pulling the latest updates from the official Linux Kernel repository and rebuilding the Kernel. Alternatively, users can wait for their Linux distribution to provide an updated package that includes the fix.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the Kernel's perf/x86/intel/pt module can result in a crash when stop filters are used in single-range mode. It is recommended to update the Kernel to version v5.10.99 or later to fix this vulnerability. If you need further assistance or support in addressing this vulnerability, please reach out to DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it could potentially lead to a denial of service or system instability.
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 and Vulert will analyze it for any open-source vulnerabilities, including this one.
There is no known exploit for this vulnerability at the moment.
Updating the Kernel to the fixed version is the recommended way to mitigate the risk. However, if updating is not feasible, you can consider implementing additional security measures such as network segmentation and access controls to reduce the attack surface.
You can find more information about this vulnerability in the GSD-2022-1000234 entry of the GSD Database maintained by the Cloud Security Alliance. The link to the specific entry is available in the references section.
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