Ubuntu Update for qemu-kvm USN-1145-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1145-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that QEMU did not properly perform validation of I/O operations from the guest which could lead to heap corruption. An attacker could exploit this to cause a denial of service of the guest or possibly execute code with the privileges of the user invoking the program. (CVE-2011-1750) Nelson Elhage discoverd that QEMU did not properly handle memory when removing ISA devices. An attacker could exploit this to cause a denial of service of the guest or possibly execute code with the privileges of the user invoking the program. (CVE-2011-1751) When using QEMU with libvirt or virtualization management software based on libvirt such as Eucalyptus and OpenStack, QEMU guests are individually isolated by an AppArmor profile by default in Ubuntu.
Affected
qemu-kvm on Ubuntu 11.04 , Ubuntu 10.10 , Ubuntu 10.04 LTS