Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2613-1)

Ubuntu Security Notice (C) 2015-2016 Canonical, Inc. / NASL script (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Vincent Tondellier discovered an integer overflow in the Linux
kernel's netfilter connection tracking accounting of loaded
extensions. An attacker on the local area network (LAN) could
potential exploit this flaw to cause a denial of service (system crash
of targeted system). (CVE-2014-9715)

Jan Beulich discovered the Xen virtual machine subsystem of the Linux
kernel did not properly restrict access to PCI command registers. A
local guest user could exploit this flaw to cause a denial of service
(host crash). (CVE-2015-2150)

A privilege escalation was discovered in the fork syscal vi the int80
entry on 64 bit kernels with 32 bit emulation support. An unprivileged
local attacker could exploit this flaw to increase their privileges on
the system. (CVE-2015-2830)

A memory corruption issue was discovered in AES decryption when using
the Intel AES-NI accelerated code path. A remote attacker could
exploit this flaw to cause a denial of service (system crash) or
potentially escalate privileges on Intel base machines with AEC-GCM
mode IPSec security association. (CVE-2015-3331).

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

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.9
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 83759 ()

Bugtraq ID: 73014
73699
73953
74235

CVE ID: CVE-2014-9715
CVE-2015-2150
CVE-2015-2830
CVE-2015-3331

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