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Ubuntu 14.04 LTS : Linux kernel vulnerability (USN-2620-1)

medium Nessus Plugin ID 83811

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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-2620-1 advisory.

 A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to 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-2620-1

Plugin Details

Severity: Medium

ID: 83811

File Name: ubuntu_USN-2620-1.nasl

Version: 2.12

Type: local

Agent: unix

Published: 5/26/2015

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2015-3332

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-powerpc-e500, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13.0-53-powerpc64-emb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/23/2015

Vulnerability Publication Date: 5/27/2015

Reference Information

CVE: CVE-2015-3332

BID: 74232

USN: 2620-1