CVE-2026-89562 Linux Kernel ip6_gre - Misconfiguration

Linux kernel ip6_gre contains a vulnerability caused by incorrect hardware header length calculation in NBMA tunnels, letting attackers potentially cause network issues, exploit requires specific tunnel configurations.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗