Scientific Linux Security Update : kvm on SL5.4 x86_64

CVE-2009-3722 KVM: Check cpl before emulating debug register access CVE-2010-0419 kvm: emulator privilege escalation segment selector check A flaw was found in the way the x86 emulator loaded segment selectors used for memory segmentation and protection into segment registers. In some guest syste...

KVM: Check cpl before emulating debug register access

The handledr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level CPL before accessing a debug register, which allows guest OS users to cause a denial of service trap on the host OS via a crafted application...