Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-2037-1)

A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. CVE-2012-2121 Multiple integer overflow flaws where discovered in the Alchemy LCD frame- buffer drivers in the Linux...

CVE-2012-4461

The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service kernel OOPS by using the KVMSETSREGS ioctl to set the X86CR4OSXSAVE bit in the guest cr4 register, then calling the KVMRUN ioctl...

CVE-2010-3698

The KVM implementation in the Linux kernel before 2.6.36 does not properly reload the FS and GS segment registers, which allows host OS users to cause a denial of service host OS crash via a KVMRUN ioctl call in conjunction with a modified Local Descriptor Table LDT...