USN-2182-1: QEMU vulnerabilities

Ubuntu Security Notice USN-2182-1

28th April, 2014

qemu, qemu-kvm vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 14.04 LTS


• Ubuntu 13.10


• Ubuntu 12.10


• Ubuntu 12.04 LTS


• Ubuntu 10.04 LTS

Summary

Several security issues were fixed in QEMU.

Software description

• qemu - Machine emulator and virtualizer


• qemu-kvm - Machine emulator and virtualizer

Details

Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3

devices. A local guest could possibly use this issue to cause a denial of

service, or possibly execute arbitrary code on the host. This issue only

applied to Ubuntu 13.10 and Ubuntu 14.04 LTS. (CVE-2013-4544)

Michael S. Tsirkin discovered that QEMU incorrectly handled virtio-net

MAC addresses. A local guest could possibly use this issue to cause a

denial of service, or possibly execute arbitrary code on the host.

(CVE-2014-0150)

Benoît Canet discovered that QEMU incorrectly handled SMART self-tests. A

local guest could possibly use this issue to cause a denial of service, or

possibly execute arbitrary code on the host. (CVE-2014-2894)

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 14.04 LTS:

qemu-system-misc 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-aarch64 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-x86 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-sparc 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-arm 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-ppc 2.0.0~rc1+dfsg-0ubuntu3.1

qemu-system-mips 2.0.0~rc1+dfsg-0ubuntu3.1

Ubuntu 13.10:

qemu-system-misc 1.5.0+dfsg-3ubuntu5.4

qemu-system 1.5.0+dfsg-3ubuntu5.4

qemu-system-x86 1.5.0+dfsg-3ubuntu5.4

qemu-system-sparc 1.5.0+dfsg-3ubuntu5.4

qemu-system-arm 1.5.0+dfsg-3ubuntu5.4

qemu-system-ppc 1.5.0+dfsg-3ubuntu5.4

qemu-system-mips 1.5.0+dfsg-3ubuntu5.4

Ubuntu 12.10:

qemu-kvm 1.2.0+noroms-0ubuntu2.12.10.7

Ubuntu 12.04 LTS:

qemu-kvm 1.0+noroms-0ubuntu14.14

Ubuntu 10.04 LTS:

qemu-kvm 0.12.3+noroms-0ubuntu9.22

To update your system, please follow these instructions: http://bit.ly/1aJDvTw.

After a standard system update you need to reboot your computer to make all

the necessary changes.

References

CVE-2013-4544, CVE-2014-0150, CVE-2014-2894

via Ubuntu Security Notices http://bit.ly/1itRVsY