CVE-2017-15597

An issue was discovered in Xen through 4.9.x. Grant copying code made an implication that any grant pin would be accompanied by a suitable page reference. Other portions of code, however, did not match up with that assumption. When such a grant copy operation is being done on a grant of a dying domain, the assumption turns out wrong. A malicious guest administrator can cause hypervisor memory corruption, most likely resulting in host crash and a Denial of Service. Privilege escalation and information leaks cannot be ruled out.

• CWE-119
• CWE-200

• http://www.openwall.com/lists/oss-security/2017/10/24/3Issue Tracking, Mailing List, Mitigation, Third Party Advisory
• http://www.securityfocus.com/bid/101564Issue Tracking, Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039653Issue Tracking, Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-236.htmlIssue Tracking, Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
• https://support.citrix.com/article/CTX229057Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2017/dsa-4050
• http://www.openwall.com/lists/oss-security/2017/10/24/3Issue Tracking, Mailing List, Mitigation, Third Party Advisory
• http://www.securityfocus.com/bid/101564Issue Tracking, Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039653Issue Tracking, Third Party Advisory, VDB Entry
• http://xenbits.xen.org/xsa/advisory-236.htmlIssue Tracking, Patch, Vendor Advisory
• https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html
• https://support.citrix.com/article/CTX229057Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2017/dsa-4050

Published

Oct 30, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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