{"cve":"CVE-2009-1758","nvd":{"published":"2009-05-22T11:52:40.627","modified":"2026-06-16T23:07:59.813","status":"Modified","description":"The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in \"certain address ranges.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://lists.xensource.com/archives/html/xen-devel/2009-05/msg00561.html","http://secunia.com/advisories/35093","http://secunia.com/advisories/35298","http://www.debian.org/security/2009/dsa-1809","http://www.openwall.com/lists/oss-security/2009/05/14/2"],"products":["xen:xen"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-1758","score":0.02158,"percentile":0.82193,"date":"2026-11-01"},"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."]}