Ubuntu 12.04 LTS : linux-lts-quantal vulnerabilities (USN-2285-1)

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


Synopsis :

The remote Ubuntu host is missing a security-related patch.

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)

Salva Peiró discovered an information leak in the Linux kernel's
media- device driver. A local attacker could exploit this flaw to
obtain sensitive information from kernel memory. (CVE-2014-1739)

An flaw was discovered in the Linux kernel's audit subsystem when
auditing certain syscalls. A local attacker could exploit this flaw to
obtain potentially sensitive single-bit values from kernel memory or
cause a denial of service (OOPS). (CVE-2014-3917)

A flaw was discovered in the Linux kernel's implementation of user
namespaces with respect to inode permissions. A local user could
exploit this flaw by creating a user namespace to gain administrative
privileges. (CVE-2014-4014)

An information leak was discovered in the rd_mcp backend of the iSCSI
target subsystem in the Linux kernel. A local user could exploit this
flaw to obtain sensitive information from ramdisk_mcp memory by
leveraging access to a SCSI initiator. (CVE-2014-4027)

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).

Solution :

Update the affected linux-image-3.5.0-54-generic package.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 76564 ()

Bugtraq ID: 67988
68048

CVE ID: CVE-2014-0131
CVE-2014-1739
CVE-2014-3917
CVE-2014-4014
CVE-2014-4027
CVE-2014-4608
CVE-2014-4943