{"id":"CVE-2017-15595","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15595","generatedAt":"2026-10-29T03:57:41.232Z","title":"An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.","description":"An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.","published":"2017-10-18T08:29:01.000Z","lastModified":"2026-06-17T01:07:56.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-400"],"affected":["xen/xen"],"epss":{"score":0.0156,"percentile":0.75135,"date":"2026-10-28","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-10-18","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43014,"kind":"exploit","title":"Xen - Pagetable De-typing Unbounded Recursion","url":"https://www.exploit-db.com/exploits/43014","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/43014.txt","file":"exploits/linux/dos/43014.txt","published":"2017-10-18","added":"2017-10-18","updated":"2017-11-16","author":"Google Security Research","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2017-15595"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1359"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 1.6%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html","source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201801-14","source":"cve@mitre.org"},{"url":"https://support.citrix.com/article/CTX228867","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4050","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43014/","source":"cve@mitre.org"},{"url":"https://xenbits.xen.org/xsa/advisory-240.html","tags":["Mitigation","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201801-14","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.citrix.com/article/CTX228867","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4050","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43014/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://xenbits.xen.org/xsa/advisory-240.html","tags":["Mitigation","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15595","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}