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Vulnerabilities CVE-2026-64042

CVE-2026-64042

None
Open
TLP:CLEAR

vfio/pci: Check BAR resources before exporting a DMABUF

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Description

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Check BAR resources before exporting a DMABUF A DMABUF exports access to BAR resources and, although they are requested at startup time, we need to ensure they really were reserved before exporting. Otherwise, it's possible to access unreserved resources through the export. Add a check to the DMABUF-creation path.

Details

EPSS Score
0.15%

5th percentile

Confidence
90%
Published
Jul 19, 2026
Last Modified
Jul 19, 2026
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