{"cve":"CVE-2011-4347","nvd":{"published":"2013-06-08T13:05:55.517","modified":"2026-06-16T23:34:49.150","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10","http://www.openwall.com/lists/oss-security/2011/11/24/7","https://bugzilla.redhat.com/show_bug.cgi?id=756084","https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4","http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2011-4347","score":0.00367,"percentile":0.30621,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}