PT-2016-6038 · Linux+5 · Linux Kernel+5

Tycho Andersen · Published 2016-05-12 · Updated 2023-02-12 · CVE-2016-4581

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 4.5.4

Description The issue is related to a problem in the Linux kernel where it does not properly traverse a mount propagation tree in a certain case involving a slave mount. This allows local users to cause a denial of service, resulting in a NULL pointer dereference and OOPS, via a crafted series of mount system calls.

Recommendations For Linux kernel versions prior to 4.5.4, update to version 4.5.4 or later to resolve the issue.

Fix

Related Identifiers

ALT-PU-2016-1490

ALT-PU-2017-1330

CESA-2016_2574

CVE-2016-4581

DSA-3607-1

OPENSUSE-SU-2016_1641-1

OPENSUSE-SU-2016_2144-1

RHSA-2016:2574

RHSA-2016:2584

RHSA-2016_2574

RHSA-2016_2584

USN-2989-1

USN-2998-1

USN-3000-1

USN-3001-1

USN-3002-1

USN-3003-1

USN-3004-1

USN-3005-1

USN-3006-1

USN-3007-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 68

• https://github.com/torvalds/linux/commit/5ec0811d30378ae104f250bfc9b3640242d81e3f · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-4565 · Vendor Advisory
• http://ubuntu.com/usn/USN-2989-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3001-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3000-1 · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2584.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-4004 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3004-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-3955 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-3137 · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-8839 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-2069 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2016-4581 · Vendor Advisory
• https://ubuntu.com/security/CVE-2016-3136 · Vendor Advisory
• http://ubuntu.com/usn/USN-3004-1 · Vendor Advisory