High severity7.1NVD Advisory· Published Nov 1, 2022· Updated Jun 17, 2026
CVE-2022-42327
CVE-2022-42327
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- osv-coords4 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4
< 4.16.2_08-150400.4.16.1+ 3 more
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
- (no CPE)range: < 4.16.2_08-150400.4.16.1
Patches
Vulnerability mechanics
References
6- www.openwall.com/lists/oss-security/2022/11/01/3nvdMailing ListPatchThird Party Advisory
- xenbits.xen.org/xsa/advisory-412.htmlnvdPatchVendor Advisory
- xenbits.xenproject.org/xsa/advisory-412.txtnvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/nvd
- security.gentoo.org/glsa/202402-07nvd
News mentions
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