CVE-2018-14625 Information

Description

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.

CVSS Vector

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

Reference

https://access.redhat.com/errata/RHSA-2019:2029 https://access.redhat.com/errata/RHSA-2019:2043 https://access.redhat.com/errata/RHSA-2019:4154 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14625 https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html https://syzkaller.appspot.com/bug?extid=bd391451452fb0b93039 https://usn.ubuntu.com/3871-1/ https://usn.ubuntu.com/3871-3/ https://usn.ubuntu.com/3871-4/ https://usn.ubuntu.com/3871-5/ https://usn.ubuntu.com/3872-1/ https://usn.ubuntu.com/3878-1/ https://usn.ubuntu.com/3878-2/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0