USN-2182-1: QEMU vulnerabilities
28 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)
BenoƮt 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 versions:
- Ubuntu 14.04 LTS
- qemu-system - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-aarch64 - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-arm - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-mips - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-misc - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-ppc - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-sparc - 2.0.0~rc1+dfsg-0ubuntu3.1
- qemu-system-x86 - 2.0.0~rc1+dfsg-0ubuntu3.1
- Ubuntu 13.10
- qemu-system - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-arm - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-mips - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-misc - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-ppc - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-sparc - 1.5.0+dfsg-3ubuntu5.4
- qemu-system-x86 - 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: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make all the necessary changes.