The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2010-02-12T19:00:00

Updated: 2024-08-07T00:45:12.089Z

Reserved: 2010-01-12T00:00:00

Link: CVE-2010-0309

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2010-02-12T19:30:00.627

Modified: 2023-02-13T04:15:52.980

Link: CVE-2010-0309

cve-icon Redhat

Severity : Moderate

Publid Date: 2010-01-07T00:00:00Z

Links: CVE-2010-0309 - Bugzilla