#VU61392 Memory leak in Linux kernel - CVE-2022-0742
Published: March 15, 2022
Vulnerability identifier: #VU61392
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-0742
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak within igmp6_event_query() and igmp6_event_report() functions in Linux kernel when handling ICMPv6 packets. A remote attacker can flood the system with ICMPv6 messages of type 130 and 131 to cause out-of-memory condition and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.