CVE-2016-1576

7.8 HIGH
Published: May 02, 2016 Modified: May 06, 2026
View on NVD

Description

The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
Source: security@ubuntu.com
Mailing List Patch Vendor Advisory
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
Source: security@ubuntu.com
Third Party Advisory
http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
Source: security@ubuntu.com
Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/24/8
Source: security@ubuntu.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/18/1
Source: security@ubuntu.com
Mailing List Third Party Advisory
https://bugs.launchpad.net/bugs/1535150
Source: security@ubuntu.com
Third Party Advisory
https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
Source: security@ubuntu.com
Mailing List Patch Third Party Advisory
https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch
Source: security@ubuntu.com
Mailing List Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Vendor Advisory
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1576.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.halfdog.net/Security/2016/OverlayfsOverFusePrivilegeEscalation/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/02/24/8
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/10/18/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://bugs.launchpad.net/bugs/1535150
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://launchpadlibrarian.net/235300093/0005-overlayfs-Be-more-careful-about-copying-up-sxid-file.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://launchpadlibrarian.net/235300225/0006-overlayfs-Propogate-nosuid-from-lower-and-upper-moun.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.4%
58th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux canonical