Ubuntu 16.04 LTS : linux vulnerabilities (USN-3084-1)

Medium Nessus Plugin ID 93604


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


Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. (CVE-2016-6136)

It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did not properly maintain state about transactional memory. An unprivileged attacker in a guest could cause a denial of service (CPU lockup) in the host OS. (CVE-2016-5412)

Pengfei Wang discovered a race condition in the Chrome OS embedded controller device driver in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-6156).

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-4.4-generic, linux-image-4.4-generic-lpae and / or linux-image-4.4-lowlatency packages.

Plugin Details

Severity: Medium

ID: 93604

File Name: ubuntu_USN-3084-1.nasl

Version: $Revision: 2.5 $

Type: local

Agent: unix

Published: 2016/09/20

Modified: 2016/12/01

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.6

Temporal Score: 3.5

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

Temporal Vector: CVSS2#E:U/RL:U/RC:UC


Base Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2016/09/19

Reference Information

CVE: CVE-2016-5412, CVE-2016-6136, CVE-2016-6156

OSVDB: 140971, 141216, 142201

USN: 3084-1