CVE-2022-0742
kernel: bug memory leaks in ICMPv6 handlers
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 3, 2022
Updated · November 22, 2025
Description
A memory leak flaw was found in the Linux kernel’s ICMPv6 networking protocol, in the way a user generated malicious ICMPv6 packets. This flaw allows a remote user to crash the system.
Statement
The impact is limited, due to ICMPv6 only possible by a remote system crash (without the possibility of exploiting a remote system).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-459 · Incomplete Cleanup