Ubuntu Security Notice USN-776-1 – Avi Kivity discovered that KVM did not correctly handle certain disk formats. A local attacker could attach a malicious partition that would allow the guest VM to read files on the VM host. CVE-2008-2004) Alfredo Ortega discovered that KVM’s VNC protocol handler did not correctly validate certain messages. A remote attacker could send specially crafted VNC messages that would cause KVM to consume CPU resources, leading to a denial of service. Jan Niehusmann discovered that KVM’s Cirrus VGA implementation over VNC did not correctly handle certain bitblt operations. A local attacker could exploit this flaw to potentially execute arbitrary code on the VM host or crash KVM, leading to a denial of service. It was discovered that KVM’s VNC password checks did not use the correct length. A remote attacker could exploit this flaw to cause KVM to crash, leading to a denial of service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/77461/USN-776-1.txt
Source: https://packetstormsecurity.com/files/77461/Ubuntu-Security-Notice-776-1.html