seg6: Fix the iif in the IPv6 socket control block
Summary
GSD-2021-1002457: seg6: fix the iif in the IPv6 socket control block. Affects Kernel versions >= ef489749aae508e6f17886775c075f12ff919fb1, < ef8804e47c0a44ae106ead1740408af5ea6c6ee9. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system. It provides the core functionality and interfaces for the system's hardware, software, and processes. The IPv6 socket control block is a data structure used by the Kernel to manage IPv6 network connections. It contains information about the socket, such as the source and destination IP addresses, ports, and other parameters. The vulnerability in the IPv6 socket control block affects the proper handling of the 'iif' (input interface) field, leading to potential security risks.
Vulnerability Detail
The vulnerability in the IPv6 socket control block arises from a flaw in the handling of the 'iif' field. This flaw can be exploited by an attacker to manipulate network traffic and potentially bypass security measures. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.4.165 by commit ef8804e47c0a44ae106ead1740408af5ea6c6ee9. However, it was introduced in version v5.0 by commit ef489749aae508e6f17886775c075f12ff919fb1.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the IPv6 socket control block can pose potential security risks if exploited. It is crucial to update the Linux Kernel to the fixed version to ensure the vulnerability is addressed. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, it has the potential to be exploited by attackers to manipulate network traffic and potentially bypass security measures.
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 for any open-source vulnerabilities, including this one.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the fixed version to mitigate the risk.
The vulnerability was introduced in Linux Kernel version v5.0 and is present in all versions prior to v5.4.165.
You can find more information about this vulnerability in the GSD database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002457.json.
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