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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
*cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:*
*cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:*
*cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://support.citrix.com/article/CTX239432 No Types Assigned
https://support.citrix.com/article/CTX239432 Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2019/dsa-4369 No Types Assigned
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
Changed
Reference Type
https://xenbits.xen.org/xsa/advisory-275.html Patch, Third Party Advisory