CVE-2022-26357

HIGH Year: 2022
CVSS v3 Score
7.0
High
CVSS v2 Score
6.2
Medium
Weakness Type
CWE-362
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Vulnerability Description

race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the housekeeping structures has a race, allowing for VT-d domain IDs to be leaked and flushes to be bypassed.

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