Unrated severityNVD Advisory· Published Feb 12, 2010· Updated Jun 16, 2026
CVE-2010-0309
CVE-2010-0309
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.
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Affected products
2Patches
Vulnerability mechanics
References
13- rhn.redhat.com/errata/RHSA-2010-0095.htmlnvdPatchVendor Advisory
- rhn.redhat.com/errata/RHSA-2010-0088.htmlnvdVendor Advisory
- secunia.com/advisories/38492nvd
- secunia.com/advisories/38922nvd
- www.debian.org/security/2010/dsa-1996nvd
- www.mail-archive.com/kvm%40vger.kernel.org/msg28002.htmlnvd
- www.openwall.com/lists/oss-security/2010/02/02/1nvd
- www.openwall.com/lists/oss-security/2010/02/02/4nvd
- www.securityfocus.com/bid/38158nvd
- www.ubuntu.com/usn/USN-914-1nvd
- www.vupen.com/english/advisories/2010/0638nvd
- bugzilla.redhat.com/show_bug.cginvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095nvd
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