High severity7.8NVD Advisory· Published Jan 23, 2017· Updated May 13, 2026

CVE-2016-9386

Description

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

xenbits.xen.org/xsa/advisory-191.htmlnvdPatchVendor Advisory
support.citrix.com/article/CTX218775nvdPatchThird Party Advisory
www.securityfocus.com/bid/94471nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1037340nvdThird Party AdvisoryVDB Entry
security.gentoo.org/glsa/201612-56nvd

News mentions

No linked articles in our index yet.

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