CVE-2014-9922 Information

Description

The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer related to fs/ecryptfs/main.c and fs/overlayfs/super.c.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=69c433ed2ecd2d3264efd7afec4439524b319121 http://source.android.com/security/bulletin/2017-04-01.html http://www.securityfocus.com/bid/97354 http://www.securitytracker.com/id/1038201 https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8