CVE-2010-0309
MEDIUM · CVSS 6.8EPSS 2.8%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:C- Weakness (CWE)
- CWE-16
- EPSS score
- 2.8% (86th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-0340)
- Published
- February 12, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-0340 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / kernel
References
- http://secunia.com/advisories/38492
- http://secunia.com/advisories/38922
- http://www.debian.org/security/2010/dsa-1996
- http://www.mail-archive.com/kvm%40vger.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)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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