{"cve":"CVE-2013-1920","nvd":{"published":"2013-04-12T22:55:01.210","modified":"2026-06-16T23:52:24.160","status":"Modified","description":"Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running \"under memory pressure\" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html","http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html","http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html","http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html","http://lists.xen.org/archives/html/xen-announce/2013-04/msg00000.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2013-1920","score":0.00401,"percentile":0.3435,"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."]}