{"cve":"CVE-2011-3131","nvd":{"published":"2012-12-13T11:53:33.350","modified":"2026-06-16T23:32:43.287","status":"Modified","description":"Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html","http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html","http://secunia.com/advisories/45622","http://secunia.com/advisories/51468","http://www.debian.org/security/2012/dsa-2582"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2011-3131","score":0.0044,"percentile":0.38259,"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."]}