netfilter: conntrack: re-fetch conntrack after insertion
Summary
GSD-2022-1002876: netfilter: conntrack: re-fetch conntrack after insertion. Affects Kernel versions >= 71d8c47fc653711c41bc3282e5b0e605b3727956, < 04e4a11dc723c52db7a36dc58f0d69ce6426f8f0. No fix is published. How to fix ↓
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Background
The netfilter package is a component of the Linux Kernel that provides network packet filtering and manipulation capabilities. It includes the conntrack module, which is responsible for tracking connections and their associated network flows. This vulnerability affects the conntrack module in the Linux Kernel.
Vulnerability Detail
The vulnerability in the conntrack module allows an attacker to bypass certain security measures by re-fetching conntrack after insertion. This can potentially lead to unauthorized access, data leakage, or other malicious activities. The vulnerability was introduced in version v4.7 of the Linux Kernel and has been fixed in version v5.18.2.
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 essential to update the Linux Kernel to the fixed version.
Conclusion
The netfilter conntrack module in the Linux Kernel is vulnerable to a bypass vulnerability that can lead to unauthorized access or other malicious activities. It is crucial to update the Linux Kernel to version v5.18.2 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow an attacker to bypass security measures and perform unauthorized actions on the affected system.
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 the playground will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there are no known exploits for this vulnerability. However, it is crucial to update the Linux Kernel to the fixed version to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to the internet and the necessary conditions are met.
For further support on vulnerability remediation, you can reach out to info@devnack.com. They can provide guidance and assistance in resolving this vulnerability.
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