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.
Published: 2010-02-12
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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
History

No history.

Subscriptions

Linux Kernel
Redhat Enterprise Linux Rhel Virtualization
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

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

Reserved: 2010-01-12T00:00:00.000Z

Link: CVE-2010-0309

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2026-04-29T01:13:23.040

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.

Weaknesses