CVE-2016-1576

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:canonical:ubuntu_core:15.04:::::::*
	cpe:2.3:o:canonical:ubuntu_touch:15.04:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:15.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.10:::::::*

Configuration 2 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2016-05-02 03:59

Updated : 2022-04-18 10:59

NVD link : CVE-2016-1576

Mitre link : CVE-2016-1576

JSON object : View

CWE

NVD-CWE-noinfo

Products Affected

canonical

ubuntu_linux
ubuntu_core
ubuntu_touch

linux

linux_kernel

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7.8 /10