CVE - CVE-2010-0309

CVE-ID
CVE-2010-0309	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:38158 URL:http://www.securityfocus.com/bid/38158 MISC:38492 URL:http://secunia.com/advisories/38492 MISC:38922 URL:http://secunia.com/advisories/38922 MISC:ADV-2010-0638 URL:~~http://www.vupen.com/english/advisories/2010/0638~~ (Obsolete source) MISC:DSA-1996 URL:http://www.debian.org/security/2010/dsa-1996 MISC:RHSA-2010:0088 URL:https://rhn.redhat.com/errata/RHSA-2010-0088.html MISC:RHSA-2010:0095 URL:https://rhn.redhat.com/errata/RHSA-2010-0095.html MISC:USN-914-1 URL:http://www.ubuntu.com/usn/USN-914-1 MISC:[kvm] 20100129 KVM: PIT: control word is write-only URL:http://www.mail-archive.com/kvm%40vger.kernel.org/msg28002.html MISC:[oss-security] 20100202 CVE request - kvm: cat /dev/port in the guest can cause host DoS URL:http://www.openwall.com/lists/oss-security/2010/02/02/1 MISC:[oss-security] 20100202 Re: CVE request - kvm: cat /dev/port in the guest can cause host DoS URL:http://www.openwall.com/lists/oss-security/2010/02/02/4 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=560887 URL:https://bugzilla.redhat.com/show_bug.cgi?id=560887 MISC:oval:org.mitre.oval:def:11095 URL:https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095
Assigning CNA
Red Hat, Inc.
Date Record Created
20100112	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20100112)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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