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

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

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.

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.7
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 76563 ()

Bugtraq ID: 66101
68214
68683

CVE ID: CVE-2014-0131
CVE-2014-4608
CVE-2014-4943

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