vulnerability
Debian: CVE-2022-26357: xen -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:H/Au:N/C:C/I:C/A:C) | Apr 5, 2022 | Nov 4, 2022 | Aug 15, 2025 |
Severity
6
CVSS
(AV:L/AC:H/Au:N/C:C/I:C/A:C)
Published
Apr 5, 2022
Added
Nov 4, 2022
Modified
Aug 15, 2025
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.
Solution
debian-upgrade-xen
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