CVE-2022-2663 (GCVE-0-2022-2663)
Vulnerability from cvelistv5 – Published: 2022-09-01 00:00 – Updated: 2024-08-03 00:46
VLAI
EPSS
VEX
Summary
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.
Severity
5.3 (Medium)
CWE
Assigner
References
7 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Linux kernel |
Affected:
unknown
|
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"id": "CVE-2022-2663",
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"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T07:07:22+00:00",
"cve": "CVE-2022-2663",
"id": "CVE-2022-2663",
"initial_release_date": "2022-08-30T00:00:00+00:00",
"product_status:fixed": "514",
"product_status:known_affected": "42",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: netfilter: nf_conntrack_irc message handling issue",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-2663.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-03T00:44:03Z",
"cve": "CVE-2022-2663",
"id": "CVE-2022-2663",
"initial_release_date": "2023-02-15T03:32:25Z",
"product_status:known_affected": "237",
"product_status:known_not_affected": "307",
"product_status:recommended": "1525",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2022-2663",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-2663.json",
"version": "46"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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