CVE-2018-14625

MEDIUM

Linux Kernel - Information Disclosure via AF_VSOCK Race Condition

Title source: llm
STIX 2.1

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.

References (13)

Core 13
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14625
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3872-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3878-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3871-5/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3878-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3871-4/
Third Party Advisory x_refsource_misc
https://syzkaller.appspot.com/bug?extid=bd391451452fb0b93039
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3871-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3871-3/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2043
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2029
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4154

Scores

CVSS v3 5.3
EPSS 0.0006
EPSS Percentile 19.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (6)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
linux/linux_kernel
Published Sep 10, 2018
Tracked Since Feb 18, 2026