{"cve":"CVE-2017-12188","nvd":{"published":"2017-10-11T15:29:00.180","modified":"2026-06-17T01:02:52.017","status":"Modified","description":"arch/x86/kvm/mmu.c in the Linux kernel through 4.13.5, when nested virtualisation is used, does not properly traverse guest pagetable entries to resolve a guest virtual address, which allows L1 guest OS users to execute arbitrary code on the host OS or cause a denial of service (incorrect index during page walking, and host OS crash), aka an \"MMU potential stack buffer overrun.\"","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","score":7.8},"cwes":["CWE-121","CWE-22"],"references":["http://www.securityfocus.com/bid/101267","https://access.redhat.com/errata/RHSA-2018:0395","https://access.redhat.com/errata/RHSA-2018:0412","https://bugzilla.redhat.com/show_bug.cgi?id=1500380","https://patchwork.kernel.org/patch/9996579/"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:46:01.145313090+00:00"},"epss":{"cve":"CVE-2017-12188","score":0.00441,"percentile":0.3838,"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."]}