CVE-2023-4147

Summary

CVE-2023-4147 is a newly discovered vulnerability in the Linux kernel's Netfilter functionality. This issue involves a use-after-free flaw, which can be exploited when a local user adds a rule with NFTA_RULE_CHAIN_ID. The consequence of this vulnerability is either a system crash or potential privilege escalation, posing a significant security risk for Linux users. This flaw requires local access and can be mitigated by applying the latest Linux kernel patch.

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