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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*
There are 146 matching records.
Displaying matches 81 through 100.
Vuln ID Summary CVSS Severity
CVE-2017-12137

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

Published: August 24, 2017; 10:29:00 AM -0400
V3.0: 8.8 HIGH
V2.0: 7.2 HIGH
CVE-2017-12135

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.

Published: August 24, 2017; 10:29:00 AM -0400
V3.0: 8.8 HIGH
V2.0: 4.6 MEDIUM
CVE-2017-12134

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 IO merge-ability calculation.

Published: August 24, 2017; 10:29:00 AM -0400
V3.0: 8.8 HIGH
V2.0: 7.2 HIGH
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-2017-10915

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-2017-7995

Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

Published: May 03, 2017; 3:59:00 PM -0400
V3.0: 3.8 LOW
V2.0: 1.7 LOW
CVE-2017-7228

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

Published: April 04, 2017; 10:59:00 AM -0400
V3.0: 8.2 HIGH
V2.0: 7.2 HIGH
CVE-2016-10024

Xen through 4.8.x allows local x86 PV guest OS kernel administrators to cause a denial of service (host hang or crash) by modifying the instruction stream asynchronously while performing certain kernel operations.

Published: January 26, 2017; 10:59:00 AM -0500
V3.0: 6.0 MEDIUM
V2.0: 4.9 MEDIUM
CVE-2016-10013

Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation.

Published: January 26, 2017; 10:59:00 AM -0500
V3.0: 7.8 HIGH
V2.0: 4.6 MEDIUM
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