VDB

DEBIAN-CVE-2022-42327

DEBIAN-CVE-2022-42327 PUBLISHED CVSS 7.099999904632568 HIGH

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.

Risk Scores

CVSS 3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Products

VendorProductVersions
Debian:14xen0, 0, 0
Debian:13xen0, 0, 0
Debian:12xen0, 0, 0

Timeline

  • Nov 1, 2022 CVE Published
  • Apr 28, 2026 CVE Updated
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