Ubuntu 12.04 LTS : linux-lts-trusty vulnerability (USN-3105-2) (Dirty COW)

High Nessus Plugin ID 94154


The remote Ubuntu host is missing one or more security-related patches.


USN-3105-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS.

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.


Update the affected linux-image-3.13-generic and / or linux-image-3.13-generic-lpae packages.

Plugin Details

Severity: High

ID: 94154

File Name: ubuntu_USN-3105-2.nasl

Version: $Revision: 2.13 $

Type: local

Agent: unix

Published: 2016/10/20

Modified: 2017/01/16

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.2

Temporal Score: 6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 7.8

Temporal Score: 7.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic-lpae, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2016/10/19

Exploitable With


Core Impact

Reference Information

CVE: CVE-2016-5195

OSVDB: 146061

USN: 3105-2

IAVA: 2016-A-0306