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CVE-2020-27672

CVE-2020-27672

EPSS 0.3%
An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.
Affected products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/https://security.gentoo.org/glsa/202011-06https://www.debian.org/security/2020/dsa-4804https://xenbits.xen.org/xsa/advisory-345.htmlhttp://www.openwall.com/lists/oss-security/2021/01/19/7http://xenbits.xen.org/xsa/advisory-345.html