CVE-2022-2663
MEDIUM
5.3
CVSS Score
Published: September 1, 2022 at 12:00 AM UTC
Updated: October 14, 2026 at 02:17 PM UTC
3 products affected across 3 vendorsLinux KernelDebian LinuxKernel
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Severity
MEDIUM5.3
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (9)
ExploitThird Party Advisory
Source: [email protected]
https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlVendor AdvisoryThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5257Mailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2022/08/30/1Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-769027.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-923NVD-CWE-Other
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