UBUNTU-CVE-2016-7154

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service host crash and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number...

CVE-2016-7154

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service host crash and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number...

CVE-2016-7154

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service host crash and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number...

xen-kernel -- use after free in FIFO event channel code

The Xen Project reports: When the EVTCHNOPinitcontrol operation is called with a bad guest frame number, it takes an error path which frees a control structure without also clearing the corresponding pointer. Certain subsequent operations EVTCHNOPexpandarray or another EVTCHNOPinitcontrol, upon...

xen-kernel -- x86 shadow pagetables: address width overflow

The Xen Project reports: In the x86 shadow pagetable code, the guest frame number of a superpage mapping is stored in a 32-bit field. If a shadowed guest can cause a superpage mapping of a guest-physical address at or above 2^44 to be shadowed, the top bits of the address will be lost, causing an...