{"cve":"CVE-2015-8340","nvd":{"published":"2015-12-17T19:59:08.683","modified":"2026-06-17T00:34:21.180","status":"Modified","description":"The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-17"],"references":["http://support.citrix.com/article/CTX203451","http://www.debian.org/security/2016/dsa-3519","http://www.securityfocus.com/bid/79038","http://www.securitytracker.com/id/1034391","http://xenbits.xen.org/xsa/advisory-159.html"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2015-8340","score":0.00383,"percentile":0.32368,"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."]}