Use-after-free error during reset in igb
Summary
GSD-2021-1001156: igb: Fix use-after-free error during reset. Affects Kernel versions >= 7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0, < 8e24c12f2ff6d32fd9f057382f08e748ec97194c. No fix is published. How to fix ↓
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Background
The igb package is a driver for Intel Gigabit Ethernet adapters. It is a part of the Linux Kernel ecosystem and is responsible for managing network communication. The vulnerability in igb arises from a use-after-free error that occurs during a reset operation. This error can potentially be exploited by attackers to execute arbitrary code or cause a denial-of-service condition.
Vulnerability Detail
The use-after-free error in igb is triggered when the driver attempts to access memory that has already been freed. This can occur during a reset operation, where the driver may incorrectly reference freed memory. An attacker who can trigger this vulnerability may be able to manipulate the freed memory to execute arbitrary code or cause the system to crash. 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 use-after-free error during reset in the igb package can potentially lead to security vulnerabilities. It is recommended to update the Linux Kernel to version v5.13.6 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The igb package is a driver for Intel Gigabit Ethernet adapters in the Linux Kernel ecosystem. It is responsible for managing network communication.
A use-after-free error occurs when a program attempts to access memory that has already been freed. This can lead to unpredictable behavior and potential security vulnerabilities.
If an attacker can trigger the use-after-free error during a reset operation in the igb driver, they may be able to manipulate the freed memory to execute arbitrary code or cause a denial-of-service condition.
No, the impact and attack plausibility of this vulnerability have not been proven yet. It is important to update to the fixed version of the Linux Kernel to mitigate any potential risks.
The fixed version of the Linux Kernel (v5.13.6) can be obtained from the official Linux Kernel repository: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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