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citrix xenserver vulnerabilities and exploits
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445
VMScore
CVE-2017-10922
The grant-table feature in Xen up to and including 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
Xen Xen
445
VMScore
CVE-2015-8555
Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and previous versions do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vect...
Citrix Xenserver 6.0
Xen Xen 4.4.3
Xen Xen 4.4.2
Xen Xen 4.6.0
Xen Xen 4.3.4
Xen Xen 4.3.3
Xen Xen 4.4.1
Xen Xen 4.4.0
Xen Xen 4.3.2
Xen Xen 4.3.1
Xen Xen 4.5.3
Xen Xen 4.5.2
Xen Xen 4.3.0
Xen Xen 4.4.4
Xen Xen 4.5.1
Xen Xen 4.5.0
Xen Xen 4.6.1
436
VMScore
CVE-2021-28038
An issue exists in the Linux kernel up to and including 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a result of changes to the handling of grant mapping errors). A host OS denial of se...
Linux Linux Kernel 5.12
Linux Linux Kernel
Debian Debian Linux 9.0
Netapp Cloud Backup -
Netapp Solidfire Baseboard Management Controller Firmware -
436
VMScore
CVE-2018-19967
An issue exists in Xen up to and including 4.11.x on Intel x86 platforms allowing guest OS users to cause a denial of service (host OS hang) because Xen does not work around Intel's mishandling of certain HLE transactions associated with the KACQUIRE instruction prefix.
Xen Xen
Debian Debian Linux 9.0
436
VMScore
CVE-2018-15468
An issue exists in Xen up to and including 4.11.x. The DEBUGCTL MSR contains several debugging features, some of which virtualise cleanly, but some do not. In particular, Branch Trace Store is not virtualised by the processor, and software has to be careful to configure it suitab...
Xen Xen
436
VMScore
CVE-2018-12891
An issue exists in Xen up to and including 4.10.x. Certain PV MMU operations may take a long time to process. For that reason Xen explicitly checks for the need to preempt the current vCPU at certain points. A few rarely taken code paths did bypass such checks. By suitably enforc...
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Xen Xen
436
VMScore
CVE-2018-7540
An issue exists in Xen up to and including 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.
Xen Xen
Debian Debian Linux 9.0
436
VMScore
CVE-2017-17044
An issue exists in Xen up to and including 4.9.x allowing HVM guest OS users to cause a denial of service (infinite loop and host OS hang) by leveraging the mishandling of Populate on Demand (PoD) errors.
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
436
VMScore
CVE-2017-14318
An issue exists in Xen 4.5.x up to and including 4.9.x. The function `__gnttab_cache_flush` handles GNTTABOP_cache_flush grant table operations. It checks to see if the calling domain is the owner of the page that is to be operated on. If it is not, the owner's grant table i...
Xen Xen 4.5.0
Xen Xen 4.6.3
Xen Xen 4.6.4
Xen Xen 4.8.0
Xen Xen 4.8.1
Xen Xen 4.6.0
Xen Xen 4.6.1
Xen Xen 4.7.2
Xen Xen 4.7.3
Xen Xen 4.5.3
Xen Xen 4.5.5
Xen Xen 4.7.0
Xen Xen 4.7.1
Xen Xen 4.5.1
Xen Xen 4.5.2
Xen Xen 4.6.5
Xen Xen 4.6.6
Xen Xen 4.9.0
VMScore
CVSSv2
CVSSv3
VMScore
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