CVE-2016-1571 describes a denial-of-service vulnerability in Xen versions 3.3.x through 4.6.x, including Citrix XenServer, affecting systems configured with shadow mode paging or nested virtualization. A local HVM guest user can crash the host by sending a crafted INVVPID instruction with a non-canonical guest address. This vulnerability has a CVSSv3 score of 6.3 (Medium), indicating a network-based attack with high complexity, requiring low privileges, and leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.5CPE matchmatch criteria | cpe:2.3:a:citrix:xenserver:*:sp1:*:*:*:*:*:* | ||
3.3.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:* | ||
3.3.1CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:* | ||
3.3.2CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:* | ||
3.4.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.