Out of Bounds Access Vulnerability in kyber Package
Summary
GSD-2021-1000198: kyber: fix out of bounds access when preempted. Affects Kernel versions >= a6088845c2bf754d6cb2572b484180680b037804, < 2ef3c76540c49167a0bc3d5f80d00fd1fc4586df. No fix is published. How to fix ↓
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Background
The kyber package is a component of the Linux Kernel, which is responsible for managing I/O scheduling in block devices. It provides an interface for controlling the order in which I/O requests are serviced. The vulnerability in the kyber package allows for out of bounds access when preempted. This means that an attacker could potentially exploit this vulnerability to gain unauthorized access or manipulate data within the kernel.
Vulnerability Detail
The vulnerability in the kyber package occurs due to an out of bounds access issue when preempted. This vulnerability was introduced in version v4.18 of the Linux Kernel and has been present until version v5.12.5. The impact and attack plausibility of this vulnerability have not been proven yet. However, if successfully exploited, it could lead to unauthorized access, data manipulation, or other malicious activities within the kernel.
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. The recommended approach is to update the Linux Kernel to the fixed version.
Conclusion
The out of bounds access vulnerability in the kyber package of the Linux Kernel can potentially lead to unauthorized access and data manipulation within the kernel. It is crucial to update the Linux Kernel to version v5.12.5 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The kyber package is a component of the Linux Kernel responsible for managing I/O scheduling in block devices.
If successfully exploited, this vulnerability could lead to unauthorized access, data manipulation, or other malicious activities within the kernel.
To fix this vulnerability, update the Linux Kernel to version v5.12.5 or later.
There is no specific workaround mentioned for this vulnerability. Updating the kernel to the fixed version is recommended.
This vulnerability was discovered through automated analysis and has not been proven in terms of impact and attack plausibility.
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