{"cve":"CVE-2015-2151","nvd":{"published":"2015-03-12T14:59:03.837","modified":"2026-06-17T00:23:40.590","status":"Modified","description":"The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.html","http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.html","http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html"],"products":["debian:debian_linux","fedoraproject:fedora","xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-2151","score":0.00548,"percentile":0.45932,"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."]}