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.
https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121
http://www.securityfocus.com/bid/97354
http://source.android.com/security/bulletin/2017-04-01.html
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=69c433ed2ecd2d3264efd7afec4439524b319121
http://www.securitytracker.com/id/1038201
Source: Mitre, NVD
Published: 2017-04-04
Updated: 2025-04-20
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.00073