{"cve":"CVE-2015-4103","nvd":{"published":"2015-06-03T20:59:06.747","modified":"2026-06-17T00:26:45.643","status":"Modified","description":"Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html","http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html","http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-4103","score":0.0045,"percentile":0.39127,"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."]}