Vulnerability in Linux Kernel
CVE-2022-2663
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.
EPSS: 0.014 (70.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0, 11.0
- N/a Linux Kernel — versions unknown
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (Exploit, Third Party Advisory)
- secalert@redhat.com (Exploit, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2663?
- CVE-2022-2663 is a medium-severity vulnerability in Linux Kernel, classified under CWE-923. CVSS score: 5.3/10. Published 2022-09-01.
- How severe is CVE-2022-2663?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2022-2663 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.