CVE Details

Release Date:2016-07-13


fs/namespace.c in the Linux kernel before 4.9 does not restrict howmany mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts.

See more information about CVE-2016-6213 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score: 4 Base Metrics: AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector: Local network Attack Complexity: High
Authentication: None required Confidentiality Impact: None
Integrity Impact: None Availability Impact: Complete

Errata information

PlatformErrataRelease Date
Oracle Linux version 6 (dtrace-modules-4.1.12-94.5.9.el6uek)ELSA-2017-36052017-08-17
Oracle Linux version 6 (kernel-uek)ELSA-2017-36052017-08-17
Oracle Linux version 7 (dtrace-modules-4.1.12-94.5.9.el7uek)ELSA-2017-36052017-08-17
Oracle Linux version 7 (kernel)ELSA-2017-18422017-08-07
Oracle Linux version 7 (kernel)ELSA-2017-1842-12017-08-15
Oracle Linux version 7 (kernel-uek)ELSA-2017-36052017-08-17
Oracle VM version 3.4 (kernel-uek)OVMSA-2017-01432017-08-17

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team