The handle_dr 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2009-10-30T20:05:00

Updated: 2024-08-07T06:38:30.478Z

Reserved: 2009-10-16T00:00:00

Link: CVE-2009-3722

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-10-30T20:30:00.377

Modified: 2023-02-13T01:17:49.517

Link: CVE-2009-3722

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-09-10T00:00:00Z

Links: CVE-2009-3722 - Bugzilla