{"id":"CVE-2011-4347","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4347","generatedAt":"2026-10-27T18:46:20.235Z","title":"The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices…","description":"The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.","published":"2013-06-08T13:05:56.000Z","lastModified":"2026-06-16T23:34:49.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4,"severity":"MEDIUM","vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C"},"cwe":["CWE-264"],"affected":["linux/linux kernel"],"epss":{"score":0.00367,"percentile":0.30359,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2011/11/24/7","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=756084","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4","source":"secalert@redhat.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2011/11/24/7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=756084","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4347","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}