{"cve":"CVE-2014-1895","nvd":{"published":"2014-04-01T06:35:53.577","modified":"2026-06-17T00:05:42.990","status":"Modified","description":"Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html","http://security.gentoo.org/glsa/glsa-201407-03.xml","http://www.openwall.com/lists/oss-security/2014/02/07/12","http://www.openwall.com/lists/oss-security/2014/02/10/6","http://xenbits.xen.org/xsa/advisory-85.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-1895","score":0.00525,"percentile":0.44555,"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."]}