Ubuntu 14.04 LTS : linux vulnerability (USN-2620-1)

Medium Nessus Plugin ID 83811


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


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).

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-3.13-generic, linux-image-3.13-generic-lpae and / or linux-image-3.13-lowlatency packages.

Plugin Details

Severity: Medium

ID: 83811

File Name: ubuntu_USN-2620-1.nasl

Version: $Revision: 2.4 $

Type: local

Agent: unix

Published: 2015/05/26

Modified: 2016/10/26

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 4.9

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-lowlatency, cpe:/o:canonical:ubuntu_linux:14.04

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: 2015/05/23

Reference Information

CVE: CVE-2015-3332

BID: 74232

USN: 2620-1