VULNERABILITY INTELLIGENCE

CVE-2018-17977

CVSS score4.4 MEDIUM

EPSS probability0.40%

CISA KEVNot currently listed

Published2018-10-08

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Description

The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.

Weakness classification

CWE-400: Uncontrolled Resource Consumption

Primary references

cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory