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  • CPE Product Version: cpe:/o:xen:xen:4.8.1
There are 99 matching records.
Displaying matches 81 through 99.
Vuln ID Summary CVSS Severity
CVE-2017-10922

The grant-table feature in Xen through 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.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-10921

The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 10.0 CRITICAL
V2.0: 10.0 HIGH
CVE-2017-10920

The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 10.0 CRITICAL
V2.0: 10.0 HIGH
CVE-2017-10919

Xen through 4.8.x mishandles virtual interrupt injection, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-223.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 6.5 MEDIUM
V2.0: 5.0 MEDIUM
CVE-2017-10918

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 10.0 CRITICAL
V2.0: 10.0 HIGH
CVE-2017-10917

Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 9.1 CRITICAL
V2.0: 9.4 HIGH
CVE-2017-10916

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-10915

The shadow-paging feature in Xen through 4.8.x mismanages page references and consequently introduces a race condition, which allows guest OS users to obtain Xen privileges, aka XSA-219.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 9.0 CRITICAL
V2.0: 6.8 MEDIUM
CVE-2017-10914

The grant-table feature in Xen through 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 8.1 HIGH
V2.0: 6.8 MEDIUM
CVE-2017-10913

The grant-table feature in Xen through 4.8.x provides false mapping information in certain cases of concurrent unmap calls, which allows backend attackers to obtain sensitive information or gain privileges, aka XSA-218 bug 1.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2017-10912

Xen through 4.8.x mishandles page transfer, which allows guest OS users to obtain privileged host OS access, aka XSA-217.

Published: July 04, 2017; 9:29:00 PM -0400
V3.0: 10.0 CRITICAL
V2.0: 10.0 HIGH
CVE-2017-8904

Xen through 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.

Published: May 11, 2017; 3:29:00 PM -0400
V3.0: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2017-8903

Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.

Published: May 11, 2017; 3:29:00 PM -0400
V3.0: 8.8 HIGH
V2.0: 7.2 HIGH
CVE-2016-9386

The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 7.8 HIGH
V2.0: 4.6 MEDIUM
CVE-2016-9383

Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 8.8 HIGH
V2.0: 7.2 HIGH
CVE-2016-9380

The pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in the bootloader configuration file.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 7.5 HIGH
V2.0: 4.6 MEDIUM
CVE-2016-9379

The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 7.9 HIGH
V2.0: 4.6 MEDIUM
CVE-2014-3672

The qemu implementation in libvirt before 1.3.0 and Xen allows local guest OS users to cause a denial of service (host disk consumption) by writing to stdout or stderr.

Published: May 25, 2016; 11:59:00 AM -0400
V3.0: 6.5 MEDIUM
V2.0: 2.1 LOW
CVE-2015-8551

The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to hit BUG conditions and cause a denial of service (NULL pointer dereference and host OS crash) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and a crafted sequence of XEN_PCI_OP_* operations, aka "Linux pciback missing sanity checks."

Published: April 13, 2016; 11:59:05 AM -0400
V3.0: 5.3 MEDIUM
V2.0: 4.7 MEDIUM