Findings

CVE-2022-2663

An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message.

Published Sep 1, 2022 · updated Oct 14, 2026 · linux linux kernel

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.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 1, 2022 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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

  • cpe debian/debian linux10.0
  • cpe debian/debian linux11.0
  • cpe linux/linux kernelversion unspecified

Sources

  • CVE.orgCVE-2022-2663

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2022-2663

    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.

    nvd.nist.gov

References

CVE-2022-2663 · ZeroDay Findings