netfilter: nftables: clone set element expression template
Summary
GSD-2021-1000015: netfilter: nftables: clone set element expression template. Affects Kernel versions >= 4094445229760d0d31a4190dfe88fe815c9fc34e, < 47d8de3c226574a3ddb8b87d0c152028d1bafef4. No fix is published. How to fix ↓
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Background
The netfilter package is a component of the Linux Kernel that provides firewall functionality. It includes various modules, such as nftables, which is a framework for packet filtering and classification. The clone set element expression template vulnerability affects the nftables module.
Vulnerability Detail
The clone set element expression template vulnerability in nftables was introduced in version v5.7 of the Linux Kernel and fixed in version v5.11.16. This vulnerability allows an attacker to potentially exploit the clone set element expression template, although the actual impact and attack plausibility have not been proven. Further technical details and references can be found in the provided links.
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 clone set element expression template vulnerability in the nftables module of the netfilter package has been identified. It is recommended to update the Linux Kernel to version v5.11.16 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The netfilter package is a component of the Linux Kernel that provides firewall functionality.
nftables is a framework for packet filtering and classification within the netfilter package.
The clone set element expression template vulnerability is a security flaw in the nftables module that was introduced in version v5.7 of the Linux Kernel.
The actual impact and attack plausibility of this vulnerability have not yet been proven.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.11.16 or later.
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