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Status published
Medium
CVE-2022-2663
An issue was found in the Linux kernel in nf_conntrack_irc...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://www.openwall.com/lists/oss-security/2022/08/30/1
- https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663
- https://www.youtube.com/watch?v=WIq-YgQuYCA
- https://www.debian.org/security/2022/dsa-5257
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
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Affected Vendor
Affected Software
Linux kernel
Vulnerable Versions:
unknown
Timeline
Official Publish:
September 1st, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.