Double Free Vulnerability in igbvf Package
Summary
GSD-2021-1002612: igbvf: fix double free in igbvf_probe. Affects Kernel versions >= d4e0fe01a38a073568aee541a0247fe734095979, < ffe1695b678729edec04037e691007900a2b2beb. 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 support for Intel Gigabit Ethernet Virtual Function (VF) devices. It allows virtual machines to access the physical network interface through a virtual function. The package is widely used in Linux-based systems that utilize Intel VF devices.
Vulnerability Detail
The vulnerability identified in the igbvf package is a double free issue that occurs during the igbvf_probe function. This vulnerability was introduced in version v2.6.30 of the Linux Kernel and was fixed in version v4.4.296. The double free vulnerability can potentially be exploited by an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition. 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
No specific workaround has been provided for this vulnerability.
Conclusion
The double free vulnerability in the igbvf package can potentially lead to serious security issues if exploited. It is crucial to update the Linux Kernel to version v4.4.296 or later to mitigate this vulnerability. Additionally, it is recommended to follow best practices for system security and apply security patches and updates promptly.
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FAQ
The impact of this vulnerability can vary depending on the attacker's capabilities and the specific system configuration. It could potentially lead to arbitrary code execution or a denial-of-service (DoS) condition.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities.
At the time of this report, no known exploits for this vulnerability have been disclosed. However, it is always recommended to apply security patches and updates as soon as they become available.
For more details about this vulnerability, you can refer to the source link provided in the database_specific section of this report: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002612.json
For further support and assistance with vulnerability remediation, you can reach out to info@devnack.com.
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