CVE-2016-7777 describes a vulnerability in Xen 4.7.x and earlier hypervisors where improper handling of CR0.TS and CR0.EM allows local x86 HVM guest OS users to access or modify FPU, MMX, or XMM register state information of other guest tasks. This medium-severity flaw (CVSS 6.3) requires high attack complexity and low privileges, potentially leading to high confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.7.0CPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
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The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.