citrix xenserver 7.2 vulnerabilities and exploits

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The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block ...

Xen Xen Citrix Xenserver 6.0.2 Citrix Xenserver 6.2.0 Citrix Xenserver 6.5 Citrix Xenserver 7.0 Citrix Xenserver 7.1 Citrix Xenserver 7.2

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

Xen Xen Citrix Xenserver 6.0.2 Citrix Xenserver 6.2.0 Citrix Xenserver 6.5 Citrix Xenserver 7.0 Citrix Xenserver 7.1 Citrix Xenserver 7.2 Debian Debian Linux 8.0 Debian Debian Linux 9.0

arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.

Xen Xen Citrix Xenserver 6.0.2 Citrix Xenserver 6.2.0 Citrix Xenserver 6.5 Citrix Xenserver 7.0 Citrix Xenserver 7.1 Citrix Xenserver 7.2 Debian Debian Linux 8.0 Debian Debian Linux 9.0

Race condition in the grant table code in Xen 4.6.x up to and including 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.

Xen Xen 4.6.0 Xen Xen 4.6.1 Xen Xen 4.6.3 Xen Xen 4.6.4 Xen Xen 4.6.5 Xen Xen 4.6.6 Xen Xen 4.7.0 Xen Xen 4.7.1 Xen Xen 4.7.2 Xen Xen 4.7.3 Xen Xen 4.8.0 Xen Xen 4.8.1

The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.

Debian Debian Linux 8.0 Hp Helion Openstack 2.0.0 Hp Helion Openstack 2.1.0 Hp Helion Openstack 2.1.2 Hp Helion Openstack 2.1.4 Canonical Ubuntu Linux 12.04 Canonical Ubuntu Linux 14.04 Canonical Ubuntu Linux 15.10 Canonical Ubuntu Linux 16.04 Qemu Qemu Qemu Qemu 2.6.0 Oracle Vm Server 3.2

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