PT-2018-14429 · Linux+3 · Linux Kernel+3

Tetsuo Handa · Published 2018-01-09 · Updated 2019-05-28 · CVE-2018-18386

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.14.11

Description The issue arises from an EXTPROC versus ICANON confusion in TIOCINQ, allowing local attackers who have access to pseudo terminals to hang or block further usage of any pseudo terminal devices.

Recommendations For Linux kernel versions prior to 4.14.11, update to version 4.14.11 or later to resolve the issue.

Fix

Incorrect Type Conversion or Cast

Weakness Enumeration

CWE-704

Related Identifiers

ALT-PU-2018-1016

ALT-PU-2018-1991

CVE-2018-18386

OPENSUSE-SU-2018_3658-1

OPENSUSE-SU-2018_3817-1

RHSA-2019:0831

SUSE-SU-2018:3589-1

SUSE-SU-2018:3593-1

SUSE-SU-2018:3659-1

SUSE-SU-2018:3688-1

SUSE-SU-2018:3689-1

SUSE-SU-2018:3746-1

SUSE-SU-2018:3772-1

SUSE-SU-2018:3773-1

SUSE-SU-2018:3787-1

SUSE-SU-2018:3865-1

SUSE-SU-2018:3869-1

SUSE-SU-2018:3880-1

SUSE-SU-2018:3934-1

SUSE-SU-2018:3961-1

SUSE-SU-2018:4069-1

SUSE-SU-2018:4072-1

SUSE-SU-2018_3772-1

SUSE-SU-2018_3787-1

SUSE-SU-2018_3880-1

SUSE-SU-2019:0095-1

SUSE-SU-2019:0439-1

SUSE-SU-2019:1289-1

SUSE-SU-2019:13937-1

USN-3849-1

USN-3849-2

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 712

• https://github.com/torvalds/linux/commit/966031f340185eddd05affcf72b740549f056348 · Patch
• https://linux.oracle.com/errata/ELSA-2018-4307.html · Vendor Advisory
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=966031f340185eddd05affcf72b740549f056348 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:3934-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3849-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-18386 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-18386 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18710 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:3746-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3849-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:3589-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10902 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-18386 · Vendor Advisory
• https://usn.ubuntu.com/3849-2 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:3688-1 · Vendor Advisory