CVE-2014-9922

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-04 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

Android: through 7.1.1
Linux kernel: through 3.17.8

References

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
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

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