Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2662-1)

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 :

Alexandre Oliva reported a race condition flaw in the btrfs file
system's handling of extended attributes (xattrs). A local attacker
could exploit this flaw to bypass ACLs and potentially escalate
privileges. (CVE-2014-9710)

A race condition was discovered in the Linux kernel's file_handle size
verification. A local user could exploit this flaw to read potentially
sensative memory locations. (CVE-2015-1420)

A underflow error was discovered in the Linux kernel's Ozmo Devices
USB over WiFi host controller driver. A remote attacker could exploit
this flaw to cause a denial of service (system crash) or potentially
execute arbitrary code via a specially crafted packet. (CVE-2015-4001)

A bounds check error was discovered in the Linux kernel's Ozmo Devices
USB over WiFi host controller driver. A remote attacker could exploit
this flaw to cause a denial of service (system crash) or potentially
execute arbitrary code via a specially crafted packet. (CVE-2015-4002)

A division by zero error was discovered in the Linux kernel's Ozmo
Devices USB over WiFi host controller driver. A remote attacker could
exploit this flaw to cause a denial of service (system crash).
(CVE-2015-4003)

Carl H Lunde discovered missing sanity checks in the the Linux
kernel's UDF file system (CONFIG_UDF_FS). A local attacker could
exploit this flaw to cause a denial of service (system crash) by using
a corrupted file system image. (CVE-2015-4167).

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 : 9.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 84613 ()

Bugtraq ID: 73308

CVE ID: CVE-2014-9710
CVE-2015-1420
CVE-2015-4001
CVE-2015-4002
CVE-2015-4003
CVE-2015-4167

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