Vulnerability · Published Sep 1, 2022 · Assigned by redhat
CVE-2022-2663
Medium 5.3
In plain English
A medium-severity security flaw in Linux kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.1% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)4.1%top 9.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | bpftool | 7.0.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-doc | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-doc | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-rt | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-tools | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | perf | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | perf | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | python3-perf | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | python3-perf | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | rtla | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| Debian:12 | linux | 6.0.2-1 | DEBIAN-CVE-2022-2663 |
| Debian:13 | linux | 6.0.2-1 | DEBIAN-CVE-2022-2663 |
| Debian:14 | linux | 6.0.2-1 | DEBIAN-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1035.36 | USN-6247-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1035.36 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | USN-5792-1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-2663 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1027.31 | UBUNTU-CVE-2022-2663 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux kernel | unknown |
Weakness: CWE-923
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/
- [debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update mailing-list
- https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663
- https://www.youtube.com/watch?v=WIq-YgQuYCA
- DSA-5257 vendor-advisory
- [debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html