CVE-2010-0309

MediumCVSS 6.8/10Last modified Jun 16, 2026

Description

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.

Metrics

CVSS 2.0 6.8/10AV:N/AC:L/Au:S/C:N/I:N/A:C

Weakness enumeration

CWE-16

Affected software

No affected versions have been published.

Timeline

Published
Feb 12, 2010
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2010-0309: Medium severity, CVSS 6.8 | Vulnix