Ubuntu 14.04 : linux vulnerabilities (USN-2226-1)

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


Synopsis :

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

Description :

Matthew Daley reported an information leak in the floppy disk driver
of the Linux kernel. An unprivileged local user could exploit this
flaw to obtain potentially sensitive information from kernel memory.
(CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user
could exploit this flaw to gain administrative privileges if the
floppy disk module is loaded. (CVE-2014-1737)

A flaw was discovered in the handling of network packets when
mergeable buffers are disabled for virtual machines in the Linux
kernel. Guest OS users may exploit this flaw to cause a denial of
service (host OS crash) or possibly gain privilege on the host OS.
(CVE-2014-0077)

A flaw was discovered in the Linux kernel's ping sockets. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash) or possibly gain privileges via a crafted
application. (CVE-2014-2851).

Solution :

Update the affected linux-image-3.13.0-27-generic,
linux-image-3.13.0-27-generic-lpae and / or
linux-image-3.13.0-27-lowlatency packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 74214 ()

Bugtraq ID: 66678
66779
67300
67302

CVE ID: CVE-2014-0077
CVE-2014-1737
CVE-2014-1738
CVE-2014-2851