CVE-2022-2663
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v4.0•MEDIUM•Score: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Trends
Current EPSS score: 3.19%• Percentile: 88%
Techniques & Countermeasures
- CWE-923•Improper Restriction of Communication Channel to Intended Endpoints
The product establishes a communication channel to (or from) an endpoint for privileged or protected operations, but it does not properly ensure that it is communicating with the correct endpoint.
Affected Systems
- chainguard•hyperv-daemons-6.18
< 0
- chainguard•hyperv-daemons-generic
< 0
- chainguard•linux-aws-6.12
< 6.12.65-r0 | < 0
- chainguard•linux-aws-6.12-boot-installed
< 0
- chainguard•linux-aws-6.12-fips-boot-installed
< 0
- chainguard•linux-aws-6.12-headers
< 0
- chainguard•linux-aws-6.12-modules
< 0
- chainguard•linux-aws-6.18
< 6.18.10-r0 | < 0
- chainguard•linux-aws-6.18-boot-installed
< 0
- chainguard•linux-aws-6.18-fips-boot-installed
< 0
- chainguard•linux-aws-6.18-headers
< 0
- chainguard•linux-aws-6.18-modules
< 0
- chainguard•linux-aws-generic
< 0 | < 6.18.5-r0
- chainguard•linux-aws-generic-boot-installed
< 0
- chainguard•linux-aws-generic-fips-boot-installed
< 0
- chainguard•linux-aws-generic-headers
< 0
- chainguard•linux-aws-generic-modules
< 0
- chainguard•linux-azure-6.12
< 6.12.65-r1 | < 0
- chainguard•linux-azure-6.18
< 0
- chainguard•linux-azure-6.18-boot-installed
< 0
- chainguard•linux-azure-6.18-fips-boot-installed
< 0
- chainguard•linux-azure-6.18-headers
< 0
- chainguard•linux-azure-6.18-modules
< 0
- chainguard•linux-azure-generic
< 0 | < 6.18.5-r0
- chainguard•linux-azure-generic-boot-installed
< 0
- chainguard•linux-azure-generic-fips-boot-installed
< 0
- chainguard•linux-azure-generic-headers
< 0
- chainguard•linux-azure-generic-modules
< 0
- chainguard•linux-desktop-6.18
all
- chainguard•linux-desktop-6.18-bootc
all
- chainguard•linux-desktop-6.18-bootc-boot-installed
all
- chainguard•linux-desktop-6.18-headers
all
- chainguard•linux-desktop-6.18-modules
all
- chainguard•linux-desktop-7.2
all
- chainguard•linux-desktop-7.2-bootc
all
- chainguard•linux-desktop-7.2-modules
all
- chainguard•linux-firecracker-6.18
all
- chainguard•linux-gcp-6.12
< 6.12.65-r0 | < 0
- chainguard•linux-gcp-6.18
< 0 | < 6.18.10-r0
- chainguard•linux-gcp-6.18-boot-installed
< 0
- chainguard•linux-gcp-6.18-fips-boot-installed
< 0
- chainguard•linux-gcp-6.18-headers
< 0
- chainguard•linux-gcp-6.18-modules
< 0
- chainguard•linux-gcp-generic
< 0 | < 6.18.5-r0
- chainguard•linux-gcp-generic-boot-installed
< 0
- chainguard•linux-gcp-generic-fips-boot-installed
< 0
- chainguard•linux-gcp-generic-headers
< 0
- chainguard•linux-gcp-generic-modules
< 0
- chainguard•linux-qemu-6.12
< 6.12.71-r0
- chainguard•linux-qemu-6.18
< 6.18.10-r0
Showing first 50 affected entries in server-rendered view.
References (34)
- https://www.openwall.com/lists/oss-security/2022/08/30/1
- https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl%40dgl.cx/T/
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://dgl.cx/2022/08/nat-again-irc-cve-2022-2663
- https://www.youtube.com/watch?v=WIq-YgQuYCA
- https://www.debian.org/security/2022/dsa-5257
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://ubuntu.com/security/CVE-2022-2663
- https://lore.kernel.org/netfilter-devel/20220826045658.100360-1-dgl@dgl.cx/T/
- https://ubuntu.com/security/notices/USN-5791-1
- https://ubuntu.com/security/notices/USN-5792-1
- https://ubuntu.com/security/notices/USN-5793-1
- https://ubuntu.com/security/notices/USN-5791-2
- https://ubuntu.com/security/notices/USN-5792-2
- https://ubuntu.com/security/notices/USN-5793-2
- https://ubuntu.com/security/notices/USN-5791-3
- https://ubuntu.com/security/notices/USN-5793-3
- https://ubuntu.com/security/notices/USN-5793-4
- https://ubuntu.com/security/notices/USN-5815-1
- https://ubuntu.com/security/notices/USN-5854-1
- https://ubuntu.com/security/notices/USN-5861-1
- https://ubuntu.com/security/notices/USN-5862-1
- https://ubuntu.com/security/notices/USN-5865-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://ubuntu.com/security/notices/USN-5883-1
- https://ubuntu.com/security/notices/USN-5924-1
- https://ubuntu.com/security/notices/USN-5975-1
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6007-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://ubuntu.com/security/notices/USN-6247-1
- https://www.cve.org/CVERecord?id=CVE-2022-2663
- https://security-tracker.debian.org/tracker/CVE-2022-2663