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Debian Security Bug TrackerDEBIANCVE:CVE-2022-42327HistoryNov 01, 2022 - 1:15 p.m.
CVE-2022-42327
2022-11-0113:15:00
Debian Security Bug Tracker
security-tracker.debian.org
10
0.0005 Low
EPSS
Percentile
17.2%
x86: unintended memory sharing between guests On Intel systems that support the “virtualize APIC accesses” feature, a guest can read and write the global shared xAPIC page by moving the local APIC out of xAPIC mode. Access to this shared page bypasses the expected isolation that should exist between two guests.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | xen | < 4.16.2+90-g0d39a6d1ae-1 | xen_4.16.2+90-g0d39a6d1ae-1_all.deb |
| Debian | 11 | all | xen | < 4.14.6-1 | xen_4.14.6-1_all.deb |
| Debian | 10 | all | xen | < 4.11.4+107-gef32c7afa2-1 | xen_4.11.4+107-gef32c7afa2-1_all.deb |
| Debian | 999 | all | xen | < 4.16.2+90-g0d39a6d1ae-1 | xen_4.16.2+90-g0d39a6d1ae-1_all.deb |
| Debian | 13 | all | xen | < 4.16.2+90-g0d39a6d1ae-1 | xen_4.16.2+90-g0d39a6d1ae-1_all.deb |
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