PT-2018-6737 · Linux+5 · Linux Kernel+5

Published 2017-12-08 · Updated 2019-10-03 · CVE-2017-18208

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.14.4

Description: The issue allows local users to cause a denial of service, resulting in an infinite loop. This is achieved by triggering the use of MADVISE WILLNEED for a DAX mapping through the madvise willneed function in mm/madvise.c.

Recommendations: For Linux kernel versions prior to 4.14.4, update to version 4.14.4 or later to resolve the issue.

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2017-2771

ALT-PU-2018-1991

CESA-2018_3083

CVE-2017-18208

OPENSUSE-SU-2018_0781-1

RHSA-2018:2948

RHSA-2018:3083

RHSA-2018:3096

RHSA-2018_3083

RHSA-2018_3096

RHSA-2019:3967

RHSA-2019:4057

RHSA-2019:4058

SUSE-SU-2018:0785-1

SUSE-SU-2018:0786-1

SUSE-SU-2018:0834-1

SUSE-SU-2018:0848-1

SUSE-SU-2018:0986-1

SUSE-SU-2018:1080-1

SUSE-SU-2018:1172-1

SUSE-SU-2018:1309-1

USN-3619-1

USN-3619-2

USN-3653-1

USN-3653-2

USN-3655-1

USN-3655-2

USN-3657-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 383

• https://ubuntu.com/security/CVE-2017-16536 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-18208 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-18079 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16537 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2019:4058 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3653-1 · Vendor Advisory
• https://usn.ubuntu.com/3619-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-1000026 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17448 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3619-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-6927 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-5332 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17805 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-18208 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-7492 · Vendor Advisory