Double Free Vulnerability in igbvf Package
Summary
GSD-2021-1002703: igbvf: fix double free in igbvf_probe. Affects Kernel versions >= d4e0fe01a38a073568aee541a0247fe734095979, < 74a16e062b23332d8db017ff4a41e16279c44411. No fix is published. How to fix ↓
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Background
The igbvf package is a component of the Linux Kernel, which is responsible for providing virtual function support for Intel Gigabit Ethernet devices. It allows multiple virtual functions to be created on a single physical device, enabling network virtualization and resource sharing. The igbvf package is widely used in virtualized environments to provide network connectivity to virtual machines.
Vulnerability Detail
The vulnerability identified in the igbvf package is a double free issue in the igbvf_probe function. This vulnerability can be exploited by an attacker to cause a denial-of-service condition or potentially execute arbitrary code. The double free occurs when the igbvf_probe function attempts to free a resource that has already been freed, leading to memory corruption and potential exploitation. The impact and attack plausibility of this vulnerability have not yet been proven.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel to the latest version.
Conclusion
The double free vulnerability in the igbvf package can lead to a denial-of-service condition or potential arbitrary code execution. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.10.88 or later. No known workarounds are available, and it is recommended to apply the fix as soon as possible. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can range from a denial-of-service condition to potential arbitrary code execution. However, the actual impact and attack plausibility have not yet been proven.
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 in real-time and alert you if any open-source vulnerabilities, including this one, are found.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
No, there is no known workaround for this vulnerability. It is recommended to update the Linux Kernel to the latest version to ensure the fix is applied.
You can find more information about this vulnerability in the GSD database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002703.json
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