Home/CVE/Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently ob
CVE

CVE-2016-9383

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently ob

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.

HIGH · CVSS 8.8 EPSS 0.00135
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
xenall versions
citrix xenserverall versions
▣

Scoring & Timeline

8.8
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 NVD23 Jan 2017 · 09:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2016:3273-1
suse-csafSUSE-SU-2016:3174-1
suse-csafSUSE-SU-2016:3156-1
suse-csafSUSE-SU-2016:3083-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/94474Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037346Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-195.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775PatchThird Party Advisory
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