CVE-2014-4014

Severity

62%

Complexity

19%

Confidentiality

165%

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.

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.

CVSS 2.0 Base Score 6.2. CVSS Attack Vector: local. CVSS Attack Complexity: high. CVSS Vector: (AV:L/AC:H/Au:N/C:C/I:C/A:C).

Overview

First reported 10 years ago

2014-06-23 11:21:00

Last updated 6 years ago

2018-12-18 14:31:00

Affected Software

Linux Kernel

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=23adbe12ef7d3d4195e80800ab36b37bee28cd03

Vendor Advisory

59220

Third Party Advisory

33824

Third Party Advisory, VDB Entry

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.8

Vendor Advisory

[oss-security] 20140610 CVE-2014-4014: Linux kernel user namespace bug

Mailing List, Third Party Advisory

67988

Third Party Advisory, VDB Entry

1030394

Third Party Advisory, VDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=1107966

Issue Tracking, Third Party Advisory

https://github.com/torvalds/linux/commit/23adbe12ef7d3d4195e80800ab36b37bee28cd03

Third Party Advisory

https://source.android.com/security/bulletin/2016-12-01.html

Third Party Advisory

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