Home/CVE/CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive inform
CVE

CVE-2016-9932

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive inform

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

LOW · CVSS 3.3 EPSS 0.00069
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

3.3
LOW · 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 NVD26 Jan 2017 · 03:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2017:0718-1
suse-csafSUSE-SU-2016:3241-1
suse-csafSUSE-SU-2016:3207-1
suse-csafSUSE-SU-2016:3208-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3847
http://www.securityfocus.com/bid/94863Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037468Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-200.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX219378Vendor Advisory
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