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PRIOn knowledge basePRION:CVE-2020-27671HistoryOct 22, 2020 - 9:15 p.m.
Design/Logic Flaw
2020-10-2221:15:00
PRIOn knowledge base
www.prio-n.com
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An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled.
References
lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
www.openwall.com/lists/oss-security/2021/01/19/8
xenbits.xen.org/xsa/advisory-346.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
security.gentoo.org/glsa/202011-06
www.debian.org/security/2020/dsa-4804
xenbits.xen.org/xsa/advisory-346.html
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