cve-2011-1751
Vulnerability from cvelistv5
Published
2012-06-21 15:00
Modified
2024-08-06 22:37
Severity ?
EPSS score ?
Summary
The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm does not check if a device is hotpluggable before unplugging the PCI-ISA bridge, which allows privileged guest users to cause a denial of service (guest crash) and possibly execute arbitrary code by sending a crafted value to the 0xae08 (PCI_EJ_BASE) I/O port, which leads to a use-after-free related to "active qemu timers."
References
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"datePublished": "2012-06-21T15:00:00",
"dateReserved": "2011-04-19T00:00:00",
"dateUpdated": "2024-08-06T22:37:25.758Z",
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Advisory\"]},{\"url\":\"http://secunia.com/advisories/44458\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/44648\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/44658\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/44660\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/44900\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/05/19/2\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.osvdb.org/73395\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://www.securityfocus.com/bid/47927\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=699773\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://github.com/nelhage/virtunoid\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://hermes.opensuse.org/messages/8572547\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.ubuntu.com/usn/USN-1145-1/\",\"source\":\"secalert@redhat.com\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.