VulnerabilityModified
CVE-2010-0309
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…
MEDIUM 6.8EPSS 2.72%
Does this matter?
Lower severity and a low EPSS score (2.72%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:L/Au:S/C:N/I:N/A:C
- EPSS
- 2.72% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-16
- Affected
- linux/kernel
- Source
- secalert@redhat.com
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.htmlVendor Advisory
- https://rhn.redhat.com/errata/RHSA-2010-0095.htmlPatch, Vendor Advisory
- 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.htmlVendor Advisory
- https://rhn.redhat.com/errata/RHSA-2010-0095.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.