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.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-1996-1 New Linux 2.6.26 packages fix several vulnerabilities
Debian DSA Debian DSA DSA-2010-1 New kvm packages fix several vulnerabilities
EUVD EUVD EUVD-2010-0340 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.
Ubuntu USN Ubuntu USN USN-914-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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 : Deferred

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

Modified: 2025-04-11T00:51:21.963

Link: CVE-2010-0309

cve-icon Redhat

Severity : Moderate

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

Links: CVE-2010-0309 - Bugzilla

cve-icon OpenCVE Enrichment

No data.