#VU67510 Input validation error in Linux kernel - CVE-2022-2663

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Main Vulnerability Database Vulnerabilities #VU67510

#VU67510 Input validation error in Linux kernel - CVE-2022-2663

Published: September 20, 2022


Vulnerability identifier: #VU67510
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-2663
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a remote attacker to bypass firewall rules.

The vulnerability exists due to insufficient validation of user-supplied input in nf_conntrack_irc in Linux kernel. A remote attacker can send unencrypted IRC with nf_conntrack_irc configured and bypass configured firewall rules.


Remediation

Install updates from vendor's website.

External links