CVE-2014-4014

Public Exploit

Description

The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to bypass intended chmod restrictions by first creating a user namespace, as demonstrated by setting the setgid bit on a file with group ownership of root.

Category

6.2
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.82% Top 20%
Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/67988 third party advisory vdb entry
https://source.android.com/security/bulletin/2016-12-01.html third party advisory
http://www.securitytracker.com/id/1030394 third party advisory vdb entry
http://www.exploit-db.com/exploits/33824 third party advisory vdb entry exploit
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8 vendor advisory
https://github.com/torvalds/linux/commit/23adbe12ef7d3d4195e80800ab36b37bee28cd03 third party advisory
http://secunia.com/advisories/59220 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1107966 third party advisory issue tracking
http://www.openwall.com/lists/oss-security/2014/06/10/4 third party advisory mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=23adbe12ef7d3d4195e80800ab36b37bee28cd03

Frequently Asked Questions

What is the severity of CVE-2014-4014?
CVE-2014-4014 has been scored as a medium severity vulnerability.
How to fix CVE-2014-4014?
To fix CVE-2014-4014, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-4014 being actively exploited in the wild?
It is possible that CVE-2014-4014 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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