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Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-2761-1)

high Nessus Plugin ID 86295

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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-2761-1 advisory.

 Dmitry Vyukov discovered that the Linux kernel did not properly initialize IPC object state in certain situations. A local attacker could use this to escalate their privileges, expose confidential information, or cause a denial of service (system crash).

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-2761-1

Plugin Details

Severity: High

ID: 86295

File Name: ubuntu_USN-2761-1.nasl

Version: 2.24

Type: local

Agent: unix

Published: 10/6/2015

Updated: 8/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

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

CVSS Score Source: CVE-2015-7613

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-65-generic

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: 10/5/2015

Vulnerability Publication Date: 10/19/2015

Reference Information

CVE: CVE-2015-7613

USN: 2761-1