Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2016-1576

21 documents8 sources
Severity
7.8HIGH
EPSS
0.4%
top 42.39%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Timeline
PublishedMay 2
Latest updateMay 13

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages8 packages

Debianlinux< 4.5.1-1+3
Ubuntulinux< 3.13.0-79.123
Ubuntulinux-lts-wily< 4.2.0-30.35~14.04.1
Ubuntulinux-lts-vivid< 3.19.0-51.57~14.04.1

Also affects: Ubuntu Linux 12.04, 14.04, 15.10, 16.04, 16.10

Patches

🔴Vulnerability Details

10
GHSA
GHSA-6774-jh98-f2hq: The overlayfs implementation in the Linux kernel through 42022-05-13
CVEList
CVE-2016-1576: The overlayfs implementation in the Linux kernel through 42016-05-02
OSV
CVE-2016-1576: The overlayfs implementation in the Linux kernel through 42016-05-02
OSV
linux-lts-vivid regression2016-02-27
OSV
linux-lts-utopic regression2016-02-27

💥Exploits & PoCs

1
Exploit-DB
Ubuntu 15.10 - 'USERNS ' Overlayfs Over Fuse Privilege Escalation2016-11-22

📋Vendor Advisories

9
Ubuntu
Linux kernel vulnerabilities2016-02-22
Ubuntu
Linux kernel (Vivid HWE) vulnerabilities2016-02-22
Ubuntu
Linux kernel (Raspberry Pi 2) vulnerabilities2016-02-22
Ubuntu
Linux kernel (Utopic HWE) vulnerabilities2016-02-22
Ubuntu
Linux kernel (Wily HWE) vulnerabilities2016-02-22
CVE-2016-1576 (HIGH CVSS 7.8) | The overlayfs implementation in the | cvebase.io