Ubuntu 12.04 LTS : linux vulnerabilities (USN-2283-1)

Medium Nessus Plugin ID 76563


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


Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol (PPP) when used with the Layer Two Tunneling Protocol (L2TP).
A local user could exploit this flaw to gain administrative privileges. (CVE-2014-4943)

Michael S. Tsirkin discovered an information leak in the Linux kernel's segmentation of skbs when using the zerocopy feature of vhost-net. A local attacker could exploit this flaw to gain potentially sensitive information from kernel memory. (CVE-2014-0131)

Don Bailey discovered a flaw in the LZO decompress algorithm used by the Linux kernel. An attacker could exploit this flaw to cause a denial of service (memory corruption or OOPS). (CVE-2014-4608).

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 packages.

Plugin Details

Severity: Medium

ID: 76563

File Name: ubuntu_USN-2283-1.nasl

Version: $Revision: 1.9 $

Type: local

Agent: unix

Published: 2014/07/17

Modified: 2016/10/26

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 6.9

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-generic-pae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-highbank, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.2-virtual, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

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: 2014/07/16

Exploitable With


Reference Information

CVE: CVE-2014-0131, CVE-2014-4608, CVE-2014-4943

BID: 66101, 68214, 68683

OSVDB: 108489

USN: 2283-1