{"cve":"CVE-2012-5513","nvd":{"published":"2012-12-13T11:53:48.993","modified":"2026-06-16T23:46:55.280","status":"Modified","description":"The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html","http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html","http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html","http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-5513","score":0.00406,"percentile":0.34917,"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."]}