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.
References
Configurations
History
04 Feb 2024, 08:15
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07 Nov 2023, 03:53
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20 Jan 2023, 02:39
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References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ - Mailing List, Third Party Advisory | |
References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ - Mailing List, Third Party Advisory | |
First Time |
Fedoraproject
Fedoraproject fedora |
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CPE | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
24 Nov 2022, 03:15
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References |
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09 Nov 2022, 14:15
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References |
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04 Nov 2022, 02:09
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References | (MLIST) http://www.openwall.com/lists/oss-security/2022/11/01/3 - Mailing List, Patch, Third Party Advisory | |
References | (CONFIRM) http://xenbits.xen.org/xsa/advisory-412.html - Patch, Vendor Advisory | |
References | (MISC) https://xenbits.xenproject.org/xsa/advisory-412.txt - Vendor Advisory | |
CPE | cpe:2.3:o:xen:xen:4.16:*:*:*:*:*:x86:* | |
First Time |
Xen
Xen xen |
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CWE | NVD-CWE-noinfo | |
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.1 |
01 Nov 2022, 15:15
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New CVE |
Information
Published : 2022-11-01 13:15
Updated : 2024-02-04 08:15
NVD link : CVE-2022-42327
Mitre link : CVE-2022-42327
CVE.ORG link : CVE-2022-42327
JSON object : View
Products Affected
fedoraproject
- fedora
xen
- xen
CWE