CVEvulnerability
CVE-2010-0309
6.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2010-02-12
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:C
- Weaknesses
- CWE-16
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.
Affected configurations
• linux kernel
Related
Weakness · not in database (1)
References
- http://secunia.com/advisories/38492 secunia.com
- http://secunia.com/advisories/38922 secunia.com
- http://www.debian.org/security/2010/dsa-1996 www.debian.org
- http://www.mail-archive.com/kvm%40vger.kernel.org/msg28002.html www.mail-archive.com
- http://www.openwall.com/lists/oss-security/2010/02/02/1 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/02/02/4 www.openwall.com
- http://www.securityfocus.com/bid/38158 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-914-1 www.ubuntu.com
- http://www.vupen.com/english/advisories/2010/0638 www.vupen.com
- https://bugzilla.redhat.com/show_bug.cgi?id=560887 bugzilla.redhat.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095 oval.cisecurity.org
- https://rhn.redhat.com/errata/RHSA-2010-0088.html Vendor Advisory
- https://rhn.redhat.com/errata/RHSA-2010-0095.html Patch, Vendor Advisory
- http://secunia.com/advisories/38492 secunia.com
- http://secunia.com/advisories/38922 secunia.com
- http://www.debian.org/security/2010/dsa-1996 www.debian.org
- http://www.mail-archive.com/kvm%40vger.kernel.org/msg28002.html www.mail-archive.com
- http://www.openwall.com/lists/oss-security/2010/02/02/1 www.openwall.com
- http://www.openwall.com/lists/oss-security/2010/02/02/4 www.openwall.com
- http://www.securityfocus.com/bid/38158 www.securityfocus.com
- http://www.ubuntu.com/usn/USN-914-1 www.ubuntu.com
- http://www.vupen.com/english/advisories/2010/0638 www.vupen.com
- https://bugzilla.redhat.com/show_bug.cgi?id=560887 bugzilla.redhat.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11095 oval.cisecurity.org
- https://rhn.redhat.com/errata/RHSA-2010-0088.html Vendor Advisory
- https://rhn.redhat.com/errata/RHSA-2010-0095.html Patch, Vendor Advisory