Ubuntu 12.04 LTS / 12.10 / 13.10 : qemu, qemu-kvm vulnerabilities (USN-2092-1)

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 :

Asias He discovered that QEMU incorrectly handled SCSI controllers
with more than 256 attached devices. A local user could possibly use
this flaw to elevate privileges. (CVE-2013-4344)

It was discovered that QEMU incorrectly handled Xen disks. A local
guest could possibly use this flaw to consume resources, resulting in
a denial of service. This issue only affected Ubuntu 12.10 and Ubuntu
13.10. (CVE-2013-4375)

Sibiao Luo discovered that QEMU incorrectly handled device
hot-unplugging. A local user could possibly use this flaw to cause a
denial of service. This issue only affected Ubuntu 13.10.
(CVE-2013-4377).

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 6.0
(CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C)
CVSS Temporal Score : 5.2
(CVSS2#E:ND/RL:OF/RC:ND)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 72231 ()

Bugtraq ID: 62682
62773
62934

CVE ID: CVE-2013-4344
CVE-2013-4375
CVE-2013-4377