Unrated severityNVD Advisory· Published Jun 21, 2012· Updated Jun 16, 2026
CVE-2011-1751
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."
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
75cpe:2.3:a:qemu:qemu:0.1.0:*:*:*:*:*:*:*+ 74 more
- cpe:2.3:a:qemu:qemu:0.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.3:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.4:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.10.6:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0-rc0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0-rc1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0-rc2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.3:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.4:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.12.5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.13.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.13.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.14.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.14.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.14.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.14.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.15.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.15.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.9.1-5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:0.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.1:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.1:rc3:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:1.1:rc4:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
17- secunia.com/advisories/44393nvdVendor Advisory
- secunia.com/advisories/44458nvdVendor Advisory
- secunia.com/advisories/44648nvdVendor Advisory
- secunia.com/advisories/44658nvdVendor Advisory
- secunia.com/advisories/44660nvdVendor Advisory
- secunia.com/advisories/44900nvdVendor Advisory
- blog.nelhage.com/2011/08/breaking-out-of-kvm/nvd
- git.kernel.orgnvd
- lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.htmlnvd
- lists.opensuse.org/opensuse-updates/2011-05/msg00043.htmlnvd
- rhn.redhat.com/errata/RHSA-2011-0534.htmlnvd
- www.openwall.com/lists/oss-security/2011/05/19/2nvd
- www.osvdb.org/73395nvd
- www.securityfocus.com/bid/47927nvd
- bugzilla.redhat.com/show_bug.cginvd
- hermes.opensuse.org/messages/8572547nvd
- www.ubuntu.com/usn/USN-1145-1/nvd
News mentions
0No linked articles in our index yet.