Vulnerability: Bypassing Firewall with nf_conntrack_irc in Linux Kernel

Vulnerability: Bypassing Firewall with nf_conntrack_irc in Linux Kernel

CVE-2022-2663 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall may be able to be bypassed when users are using unencrypted IRC with nf_conntrack_irc configured.

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