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Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-3207-1)

high Nessus Plugin ID 97320

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3207-1 advisory.

 It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-7910)

 Dmitry Vyukov discovered a use-after-free vulnerability in the sys_ioprio_get() function in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-7911)

 Andrey Konovalov discovered a use-after-free vulnerability in the DCCP implementation in the Linux kernel.
 A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2017-6074)

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

Note that Nessus has not tested for these issues 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-3207-1

Plugin Details

Severity: High

ID: 97320

File Name: ubuntu_USN-3207-1.nasl

Version: 3.13

Type: local

Agent: unix

Published: 2/22/2017

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: 9.2

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

CVSS Score Source: CVE-2016-7911

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

CVSS Score Source: CVE-2017-6074

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-110-generic-lpae

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: 2/21/2017

Vulnerability Publication Date: 11/16/2016

Exploitable With

Core Impact

Reference Information

CVE: CVE-2016-7910, CVE-2016-7911, CVE-2017-6074

USN: 3207-1