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CVE-2022-2663

CVE-2022-2663

EPSS 1.4%CWE-923
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.
Affected products
n/a · Linux kernel

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References
https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlhttps://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlhttps://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/https://www.debian.org/security/2022/dsa-5257https://www.openwall.com/lists/oss-security/2022/08/30/1https://www.youtube.com/watch?v=WIq-YgQuYCA