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VULNERABILITIES

CVE-2016-6213 Details

Description

fs/namespace.c in the Linux kernel before 4.9 does not restrict how many 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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.7 MEDIUMVector:CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d29216842a85c7970c536108e093963f02714498 CVEPatchVendor Advisory
https://access.redhat.com/errata/RHSA-2017:1842 CVE
https://access.redhat.com/errata/RHSA-2017:2077 CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1356471 CVEIssue Tracking
https://github.com/torvalds/linux/commit/d29216842a85c7970c536108e093963f02714498 CVEPatch

see all 14 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

ProductVersions
linux linux kernel
<= 4.8.15

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-6213
NVD Published Date:
Dec 28, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-6213 Details - Not Deferred