PT-2025-18493
CVE-2022-49776
·
Published
2025-05-01
·
Updated
2025-07-10
Description by
CVSS 3.1
5.5
MediumMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved, related to the macvlan module. The issue is that macvlan does not enforce a consistent minimal MTU (Maximum Transmission Unit) of 68, even when creating a link. This could lead to crashes in the IPv6 stack if the link is brought up. The patch ensures that macvlan enforces a minimal MTU of 68.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Found an issue in the description? Have something to add? Feel free to write us 👾