CVE-2018-17977 Information

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.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/105539 https://www.openwall.com/lists/oss-security/2018/10/05/5

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4