Vulnerability 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.
CVSS Score
3.3
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 3.3.0 |
Related Weaknesses (CWE)
References
- 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
- 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
FAQ
What is CVE-2016-9932?
CVE-2016-9932 is a vulnerability with a CVSS score of 3.3 (LOW). 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.
How severe is CVE-2016-9932?
CVE-2016-9932 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-9932?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.