{"id":"CVE-2011-1751","aliases":["DEBIAN-CVE-2011-1751","DSA-2241-1","EUVD-2011-1750","GHSA-5x39-mv3c-q6cc","RHSA-2011:0534","SUSE-SU-2015:0929-1"],"status":"published","title":"The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm...","description":"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 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related to \"active qemu timers.\"","status":"published","published":"2012-06-21T15:00:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-5x39-mv3c-q6cc","title":"The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm...","description":"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.\"","status":"published","published":"2022-05-13T01:13:51Z","modified":"2025-04-11T03:59:42Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:11.088321Z"}],"nvd":[{"id":"CVE-2011-1751","description":"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.\"","status":"published","published":"2012-06-21T15:55:09.613Z","modified":"2026-06-16T23:29:57.323Z","cvss":[{"version":"2.0","score":7.4,"vector":"AV:A/AC:M/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"DSA-2241-1","title":"qemu-kvm - implementation error","status":"published","published":"2011-05-24T00:00:00Z","modified":"2026-03-09T01:22:57.381806Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"RHSA-2011:0534","title":"Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update","status":"published","published":"2024-09-13T07:07:35Z","modified":"2026-06-28T10:04:55Z","updated_at":"2026-11-02T15:53:01.003286Z"},{"id":"SUSE-SU-2015:0929-1","title":"Security update for kvm","description":"\nThe kvm qemu vt100 emulation was affected by a problem where specific vt100 \nsequences could have been used by guest users to affect the host. \n(CVE-2012-3515 aka XSA-17).\n\nAlso a temp file race was fixed. (CVE-2012-2652)\n\nSecurity Issue reference:\n\n    * CVE-2012-3515\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3515\u003e\n    * CVE-2012-2652\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2652\u003e\n\n","status":"published","published":"2012-08-31T14:36:20Z","modified":"2026-02-04T03:38:26.839919Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}