The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2009-11-27T19:00:00

Updated: 2024-08-07T06:45:50.938Z

Reserved: 2009-11-20T00:00:00

Link: CVE-2009-4031

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-11-29T13:07:32.250

Modified: 2024-11-21T01:08:46.923

Link: CVE-2009-4031

cve-icon Redhat

Severity : Moderate

Publid Date: 2009-11-24T00:00:00Z

Links: CVE-2009-4031 - Bugzilla