Data Race Vulnerability in Linux Kernel
Summary
GSD-2021-1000833: perf: Fix data race between pin_count increment/decrement. Affects Kernel versions >= fe4b04fa31a6dcf4358aa84cf81e5a7fd079469b, < 668bd53c549e1d6de8873c9037de98f042240b1e. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware. It is widely used in various devices, including servers, desktops, and embedded systems. The vulnerability identified in the Linux Kernel is related to a data race between pin_count increment and decrement operations.
Vulnerability Detail
The data race vulnerability in the Linux Kernel occurs when there is a concurrent access to the pin_count variable without proper synchronization. This can lead to inconsistent or corrupted data, potentially resulting in system instability or security breaches. The vulnerability was introduced in version v2.6.39 of the Linux Kernel and was fixed in version v4.4.273. The impact and attack plausibility of this vulnerability have not been proven yet.
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 data race vulnerability in the Linux Kernel can be mitigated by updating to version v4.4.273 or later. It is important to keep the Linux Kernel up to date to ensure system stability and security. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware.
A data race vulnerability occurs when multiple threads or processes access shared data concurrently without proper synchronization, leading to unexpected behavior or security issues.
The impact of this vulnerability can vary depending on the specific context and usage of the Linux Kernel. It can potentially result in system instability or security breaches if exploited.
You can check the version of your Linux Kernel by running the command 'uname -r' in a terminal. If the version is earlier than v4.4.273, it may be affected by this vulnerability.
You can find more information about this vulnerability in the GSD-2021-1000833 JSON report available in the GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000833.json
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