{"id":"CVE-2017-15595","published":"2017-10-18T08:00:00Z","modified":"2024-08-05T19:57:27Z","title":"An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded…","vendor":null,"product":null,"tier":"tail","description":{"text":"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.","provenance":"source","from":"CVE.org"},"cvss":null,"epss":{"score":0.0156,"percentile":0.75135,"provenance":"source"},"cwes":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://xenbits.xen.org/xsa/advisory-240.html","tags":["x_refsource_CONFIRM"]},{"url":"https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://www.debian.org/security/2017/dsa-4050","tags":["vendor-advisory","x_refsource_DEBIAN"]},{"url":"https://www.exploit-db.com/exploits/43014/","tags":["exploit","x_refsource_EXPLOIT-DB"]},{"url":"https://support.citrix.com/article/CTX228867","tags":["x_refsource_CONFIRM"]},{"url":"https://security.gentoo.org/glsa/201801-14","tags":["vendor-advisory","x_refsource_GENTOO"]}],"priority":{"score":20.0,"factors":[{"name":"EPSS percentile","points":15.03},{"name":"Public exploit code","points":5.0}]},"exploitSources":{"exploitdb":{"count":1,"earliest":"2017-10-18"},"first":{"date":"2017-10-18","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/43014"},"provenance":"source"},"euvd":{"id":"EUVD-2017-7047","exploited":false,"provenance":"source"},"exploits":[{"id":43014,"url":"https://www.exploit-db.com/exploits/43014","title":"Xen - Pagetable De-typing Unbounded Recursion","date":"2017-10-18","verified":true,"provenance":"source"}],"exploitRefs":["https://www.exploit-db.com/exploits/43014/"],"lineage":{"familyId":"fam-cve-2017-15595-family-cve-2017-15595","children":[{"from":"CVE-2017-15595","to":"CVE-2018-19966","relation":"incomplete-fix","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"incomplete-fix","quote":"NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.","from":"CVE.org","in":"CVE-2018-19966"}]},{"from":"CVE-2017-15595","to":"CVE-2019-19578","relation":"incomplete-fix","confidence":"high","kind":"lineage","evidence":[{"kind":"text","provenance":"source","relation":"incomplete-fix","quote":"An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to cause a denial of service via degenerate chains of linear pagetables, because of an incorrect fix for CVE-2017-15595.","from":"CVE.org","in":"CVE-2019-19578"}]}]}}