CVE-2009-3290: Linux Kernel

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses."

Affected products

• Linux Linux Kernel: up to and including 2.6.30; version 2.6.25 only

Published 2009-09-22. Last modified 2026-06-16.