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citrix xen vulnerabilities and exploits
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436
VMScore
CVE-2020-29482
An issue exists in Xen up to and including 4.14.x. A guest may access xenstore paths via absolute paths containing a full pathname, or via a relative path, which implicitly includes /local/domain/$DOMID for their own domain id. Management tools must access paths in guests' n...
Xen Xen
Debian Debian Linux 10.0
Fedoraproject Fedora 32
Fedoraproject Fedora 33
436
VMScore
CVE-2020-29486
An issue exists in Xen up to and including 4.14.x. Nodes in xenstore have an ownership. In oxenstored, a owner could give a node away. However, node ownership has quota implications. Any guest can run another guest out of quota, or create an unbounded number of nodes owned by dom...
Xen Xen
Debian Debian Linux 10.0
Fedoraproject Fedora 32
Fedoraproject Fedora 33
614
VMScore
CVE-2021-28704
PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started in populate-on-demand (PoD) mode, to provide a way for them to later easily hav...
Xen Xen
Fedoraproject Fedora 34
Fedoraproject Fedora 35
Debian Debian Linux 9.0
188
VMScore
CVE-2022-23034
A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unma...
Xen Xen
Fedoraproject Fedora 34
Debian Debian Linux 9.0
Debian Debian Linux 11.0
694
VMScore
CVE-2020-29487
An issue exists in Xen XAPI prior to 2020-12-15. Certain xenstore keys provide feedback from the guest, and are therefore watched by toolstack. Specifically, keys are watched by xenopsd, and data are forwarded via RPC through message-switch to xapi. The watching logic in xenopsd ...
Xen Xapi
436
VMScore
CVE-2013-0231
The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some o...
Xen Xen 3.0.4
Xen Xen 3.0.2
Xen Xen 3.2.0
Xen Xen 3.1.3
Xen Xen 3.2.3
Xen Xen 3.0.3
Xen Xen 3.1.4
Linux Linux Kernel 2.6.18
Linux Linux Kernel 3.8
Xen Xen 3.2.1
Xen Xen 3.2.2
641
VMScore
CVE-2018-10982
An issue exists in Xen up to and including 4.10.x allowing x86 HVM guest OS users to cause a denial of service (unexpectedly high interrupt number, array overrun, and hypervisor crash) or possibly gain hypervisor privileges by setting up an HPET timer to deliver interrupts in IO-...
Xen Xen
Debian Debian Linux 8.0
Debian Debian Linux 7.0
Debian Debian Linux 9.0
393
VMScore
CVE-2021-28701
Another race in XENMAPSPACE_grant_table handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest sw...
Xen Xen
Debian Debian Linux 11.0
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Fedoraproject Fedora 35
411
VMScore
CVE-2021-28694
IOMMU page mapping issues on x86 T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Both AMD and Intel allow ACPI tables to specify regions of memory which should be left untranslated, which typically m...
Xen Xen
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Fedoraproject Fedora 35
Debian Debian Linux 11.0
410
VMScore
CVE-2021-28697
grant table v2 status pages may remain accessible after de-allocation Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-alloc...
Xen Xen
Fedoraproject Fedora 33
Fedoraproject Fedora 34
Fedoraproject Fedora 35
Debian Debian Linux 11.0
VMScore
CVSSv2
CVSSv3
VMScore
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