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citrix xenserver vulnerabilities and exploits
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605
VMScore
CVE-2017-8904
Xen up to and including 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Xen Xen 4.8.1
Xen Xen 4.8.0
1 Github repository
605
VMScore
CVE-2017-8905
Xen up to and including 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.
Xen Xen 4.6.0
Xen Xen 4.6.1
Xen Xen 4.6.3
Xen Xen 4.6.5
Xen Xen 4.6.4
Xen Xen 4.6.2
1 Github repository
409
VMScore
CVE-2017-15594
An issue exists in Xen up to and including 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.
Xen Xen
436
VMScore
CVE-2017-15593
An issue exists in Xen up to and including 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.
Xen Xen
614
VMScore
CVE-2017-17563
An issue exists in Xen up to and including 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
Xen Xen
614
VMScore
CVE-2017-15588
An issue exists in Xen up to and including 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.
Xen Xen 4.9.0
187
VMScore
CVE-2017-15589
An issue exists in Xen up to and including 4.9.x allowing x86 HVM guest OS users to obtain sensitive information from the host OS (or an arbitrary guest OS) because intercepted I/O operations can cause a write of data from uninitialized hypervisor stack memory.
Xen Xen 4.9.0
409
VMScore
CVE-2017-15590
An issue exists in Xen up to and including 4.9.x allowing x86 guest OS users to cause a denial of service (hypervisor crash) or possibly gain privileges because MSI mapping was mishandled.
Xen Xen 4.9.0
641
VMScore
CVE-2017-14316
A parameter verification issue exists in Xen up to and including 4.9.x. The function `alloc_heap_pages` allows callers to specify the first NUMA node that should be used for allocations through the `memflags` parameter; the node is extracted using the `MEMF_get_node` macro. While...
Xen Xen
187
VMScore
CVE-2017-12855
Xen maintains the _GTF_{read,writ}ing bits as appropriate, to inform the guest that a grant is in use. A guest is expected not to modify the grant details while it is in use, whereas the guest is free to modify/reuse the grant entry when it is not in use. Under some circumstances...
Xen Xen 4.8.0
Xen Xen 4.7.0
Xen Xen 4.5.3
Xen Xen 4.5.5
Xen Xen 4.7.2
Xen Xen 4.7.3
Xen Xen 4.6.0
Xen Xen 4.6.1
Xen Xen 4.7.1
Xen Xen 4.6.6
Xen Xen 4.6.3
Xen Xen 4.6.4
Xen Xen 4.5.0
Xen Xen 4.9.0
Xen Xen 4.8.1
Xen Xen 4.5.1
Xen Xen 4.5.2
Xen Xen 4.6.5
VMScore
CVSSv2
CVSSv3
VMScore
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