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CVE-2020-27672
Published: Oct 22, 2020
Modified: Aug 4, 2024
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
http://xenbits.xen.org/xsa/advisory-345.html
x_refsource_CONFIRM
https://xenbits.xen.org/xsa/advisory-345.html
x_refsource_MISC
openSUSE-SU-2020:1783
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2020:1844
vendor-advisory
x_refsource_SUSE
GLSA-202011-06
vendor-advisory
x_refsource_GENTOO
FEDORA-2020-6dd36a716c
vendor-advisory
x_refsource_FEDORA
DSA-4804
vendor-advisory
x_refsource_DEBIAN
[oss-security] 20210119 Xen Security Advisory 345 v4 (CVE-2020-27672) - x86: Race condition in Xen mapping code
mailing-list
x_refsource_MLIST
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