National Vulnerability Database

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    Vulnerabilities Detail

CVE-2010-0309 Detail

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.

Source:  MITRE
Description Last Modified:  02/12/2010

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 8.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2010/dsa-1996
http://www.mail-archive.com/kvm@vger.kernel.org/msg28002.html
http://www.openwall.com/lists/oss-security/2010/02/02/1
http://www.openwall.com/lists/oss-security/2010/02/02/4
http://www.securityfocus.com/bid/38158
http://www.ubuntu.com/usn/USN-914-1
http://www.vupen.com/english/advisories/2010/0638
https://bugzilla.redhat.com/show_bug.cgi?id=560887
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095
https://rhn.redhat.com/errata/RHSA-2010-0088.html Vendor Advisory
https://rhn.redhat.com/errata/RHSA-2010-0095.html Patch Vendor Advisory

References to Check Content

Identifier:
oval:org.mitre.oval:def:11095
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11095

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:linux:kernel:*:*:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-0309
NVD Published Date:
02/12/2010
NVD Last Modified:
09/18/2017