Use-after-free error during reset in igc
Summary
UVI-2021-1001251: igc: Fix use-after-free error during reset. Affects Kernel versions >= 13b5b7fd6a4a96dffe604f25e7b64cfbd9520924, < e15f629036bac005fc758b4ad17896cf2312add4. No fix is published. How to fix ↓
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Background
The igc package is a component of the Linux Kernel. It provides support for Intel(R) Ethernet Connection (i.e., igc) devices. These devices are commonly used for network connectivity in various systems. The igc package is responsible for managing the functionality and communication of these devices within the Linux operating system.
Vulnerability Detail
The vulnerability identified as UVI-2021-1001251 is a use-after-free error that occurs during a reset operation in the igc package. A use-after-free error refers to a situation where a program continues to reference memory after it has been freed, leading to potential memory corruption and exploitation. In this case, the error occurs specifically during a reset operation, which suggests that it may be triggered by certain conditions or events related to device reset. The impact and attack plausibility of this vulnerability have not been proven yet, but it is important to address it to prevent potential security risks.
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 use-after-free error during reset in the igc package of the Linux Kernel has been identified as a potential security vulnerability. To mitigate this issue, it is recommended to update the Linux Kernel to version v5.10.54 or later. No specific workaround has been provided for this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown as it has not been proven. However, use-after-free errors can potentially lead to memory corruption and exploitation, which may result in unauthorized access, data breaches, 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 manifest file (e.g., package-lock.json) to the playground, and it will analyze and alert you in real-time if the vulnerability is detected.
No known exploit has been reported for this vulnerability at the moment. However, it is important to address it by updating the Linux Kernel to the fixed version to mitigate any potential risks.
There may be other vulnerabilities or security issues in the igc package that have not been specifically mentioned in this report. It is always recommended to keep the software and packages up to date to ensure the latest security patches are applied.
You can find more information about this vulnerability, including the source and references, in the Open Source Vulnerability Database (OSVDB) maintained by the Cloud Security Alliance. The specific vulnerability ID is UVI-2021-1001251.
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