Home/CVE/Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain
CVE

CVE-2016-7093

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.

HIGH · CVSS 8.2 EPSS 0.0006
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Sep 2016 · 02:25 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10196-1
suse-csafSUSE-SU-2016:2533-1
suse-csafSUSE-SU-2016:2507-1
suse-csafSUSE-SU-2016:2473-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://support.citrix.com/article/CTX216071Third Party Advisory
http://www.securityfocus.com/bid/92865
http://www.securitytracker.com/id/1036752Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-186.htmlPatchVendor Advisory
http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patchPatchVendor Advisory
https://security.gentoo.org/glsa/201611-09
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