CVE-2022-42327: falha de alta gravidade em xen
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.1epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Produtos afetados
Xen · xenCVEs relacionadas — xen
No mesmo produto, das mais perigosas para as menos.
Referências
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/https://security.gentoo.org/glsa/202402-07https://xenbits.xenproject.org/xsa/advisory-412.txthttp://www.openwall.com/lists/oss-security/2022/11/01/3http://xenbits.xen.org/xsa/advisory-412.html