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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 information from host…
Low3.3EPSS 0.42%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Low3.3 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.42% · top 64% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- http://xenbits.xen.org/xsa/advisory-200.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201612-56 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-3847 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 1037468 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 94863 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://support.citrix.com/article/CTX219378 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .