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Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-3149-1)

high Nessus Plugin ID 95566

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3149-1 advisory.

 Philip Pettersson discovered a race condition in the af_packet implementation in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service (system crash) or run arbitrary code with administrative privileges.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel package.

See Also

https://ubuntu.com/security/notices/USN-3149-1

Plugin Details

Severity: High

ID: 95566

File Name: ubuntu_USN-3149-1.nasl

Version: 2.16

Type: local

Agent: unix

Published: 12/6/2016

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2016-8655

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-105-powerpc-smp

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: 12/5/2016

Vulnerability Publication Date: 12/8/2016

Exploitable With

Core Impact

Metasploit (AF_PACKET chocobo_root Privilege Escalation)

Reference Information

CVE: CVE-2016-8655

USN: 3149-1