Vulnerability in Linux Kernel
CVE-2009-3722
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.
EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.
Affected products
- Linux Linux_kernel — versions 2.6.0, 2.6.1, 2.6.2
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (signature, x_refsource_OVAL, vdb-entry)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)