{"cve":"CVE-2015-7311","nvd":{"published":"2015-10-01T20:59:06.567","modified":"2026-06-17T00:32:14.123","status":"Modified","description":"libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-17"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html","http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html","http://www.debian.org/security/2015/dsa-3414"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-7311","score":0.00417,"percentile":0.36012,"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."]}