High (7.5). EPSS 20% chance of exploitation in the next 30 days.
The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP packets.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
20% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)