CVE-2022-2663

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Summary

CVECVE-2022-2663
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-01 21:15:09 UTC
Updated2026-10-14 14:17:22 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-923 | NVD-CWE-Other | CWE-923 CWE-923

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 11.0 All All All
Operating System Linux Linux Kernel - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Linux Kernel affected unknown Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5257-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
NAT-Again: IRC NAT helper flaws af854a3a-2127-422b-91ae-364da2661108 dgl.cx Exploit, Third Party Advisory
[PATCH 1/2] netfilter: nf_conntrack_irc: Tighten matching on DCC message af854a3a-2127-422b-91ae-364da2661108 lore.kernel.org
NAT-Again IRC demo with Irssi - YouTube af854a3a-2127-422b-91ae-364da2661108 www.youtube.com Exploit, Third Party Advisory
[SECURITY] [DLA 3173-1] linux-5.10 security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
oss-security - CVE-2022-2663: Linux netfilter: nf_conntrack_irc message handling af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-769027.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] [DLA 3131-1] linux security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[PATCH 1/2] netfilter: nf_conntrack_irc: Tighten matching on DCC message MITRE lore.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160345 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-10065)
  • 160367 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-10108)
  • 160583 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2458)
  • 160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
  • 181091 Debian Security Update for linux (DLA 3131-1)
  • 181145 Debian Security Update for linux (DSA 5257-1)
  • 181190 Debian Security Update for linux-5.10 (DLA 3173-1)
  • 183708 Debian Security Update for linux (CVE-2022-2663)
  • 199087 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-1)
  • 199088 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5791-1)
  • 199089 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5793-1)
  • 199091 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5791-2)
  • 199094 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5792-2)
  • 199096 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5793-2)
  • 199098 Ubuntu Security Notification for Linux kernel (IBM) Vulnerabilities (USN-5793-4)
  • 199099 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5793-3)
  • 199100 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5791-3)
  • 199119 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-5815-1)
  • 199155 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5854-1)
  • 199164 Ubuntu Security Notification for Linux kernel (Qualcomm Snapdragon) Vulnerabilities (USN-5862-1)
  • 199165 Ubuntu Security Notification for Linux kernel (Dell300x) Vulnerabilities (USN-5861-1)
  • 199169 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5865-1)
  • 199179 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5877-1)
  • 199502 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5975-1)
  • 199541 Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-5924-1)
  • 199560 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6001-1)
  • 199566 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-6007-1)
  • 199567 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5883-1)
  • 199568 Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6013-1)
  • 199577 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6014-1)
  • 199607 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6247-1)
  • 241417 Red Hat Update for kernel security (RHSA-2023:2458)
  • 241468 Red Hat Update for kernel-rt (RHSA-2023:2148)
  • 241504 Red Hat Update for kernel security (RHSA-2023:2951)
  • 241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
  • 242890 Red Hat Update for kernel (RHSA-2024:0724)
  • 354071 Amazon Linux Security Advisory for kernel : ALAS-2022-1636
  • 354075 Amazon Linux Security Advisory for kernel : ALAS2-2022-1852
  • 354081 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-036
  • 354082 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2022-008
  • 354084 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-020
  • 354439 Amazon Linux Security Advisory for kernel : ALAS2022-2022-150
  • 354468 Amazon Linux Security Advisory for kernel : ALAS2022-2022-185
  • 354542 Amazon Linux Security Advisory for kernel : ALAS-2022-185
  • 355199 Amazon Linux Security Advisory for kernel : ALAS2023-2023-070
  • 377891 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0002)
  • 378043 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0011)
  • 378468 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-20230042)
  • 378512 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0042)
  • 390269 Oracle VM Server for x86 Security Update for kernel (OVMSA-2022-0031)
  • 390272 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2023-0001)
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 6140321 AWS Bottlerocket Security Update for kernel (GHSA-6f7w-x3cm-cv68)
  • 672354 EulerOS Security Update for kernel (EulerOS-SA-2022-2732)
  • 672391 EulerOS Security Update for kernel (EulerOS-SA-2022-2767)
  • 672410 EulerOS Security Update for kernel (EulerOS-SA-2022-2796)
  • 672454 EulerOS Security Update for kernel (EulerOS-SA-2022-2848)
  • 672474 EulerOS Security Update for kernel (EulerOS-SA-2022-2823)
  • 672711 EulerOS Security Update for kernel (EulerOS-SA-2023-1507)
  • 752589 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3264-1)
  • 752594 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3293-1)
  • 752596 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3291-1)
  • 752615 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3408-1)
  • 752632 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3450-1)
  • 752668 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3586-1)
  • 752669 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3587-1)
  • 752671 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3584-1)
  • 753063 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:4617-1)
  • 753167 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3288-1)
  • 753370 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3609-1)
  • 753374 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:3809-1)
  • 753703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753707 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753727 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 941023 AlmaLinux Security Update for kernel (ALSA-2023:2458)
  • 941061 AlmaLinux Security Update for kernel-rt (ALSA-2023:2148)
  • 941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
  • 941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)

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