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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:x86:*
There are 163 matching records.
Displaying matches 101 through 120.
Vuln ID Summary CVSS Severity
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-2016-9378

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging an incorrect choice for software interrupt delivery.

Published: February 22, 2017; 11:59:00 AM -0500
V3.0: 5.5 MEDIUM
V2.0: 2.1 LOW
CVE-2016-9377

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.

Published: February 22, 2017; 11:59:00 AM -0500
V3.0: 5.5 MEDIUM
V2.0: 2.1 LOW
CVE-2016-9932

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

Published: January 26, 2017; 10:59:00 AM -0500
V3.0: 3.3 LOW
V2.0: 2.1 LOW
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-2016-9385

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 6.0 MEDIUM
V2.0: 4.9 MEDIUM
CVE-2016-9382

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.

Published: January 23, 2017; 4:59:02 PM -0500
V3.0: 7.8 HIGH
V2.0: 4.6 MEDIUM
CVE-2016-7777

Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.

Published: October 07, 2016; 10:59:10 AM -0400
V3.0: 6.3 MEDIUM
V2.0: 3.3 LOW
CVE-2016-7094

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

Published: September 21, 2016; 10:25:25 AM -0400
V3.0: 4.1 MEDIUM
V2.0: 1.5 LOW
CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

Published: August 02, 2016; 12:59:09 PM -0400
V3.0: 6.2 MEDIUM
V2.0: 4.9 MEDIUM
CVE-2016-6258

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

Published: August 02, 2016; 12:59:08 PM -0400
V3.0: 8.8 HIGH
V2.0: 7.2 HIGH
CVE-2016-5242

The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.

Published: June 07, 2016; 10:06:17 AM -0400
V3.0: 5.6 MEDIUM
V2.0: 4.7 MEDIUM
CVE-2016-4963

The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.

Published: June 07, 2016; 10:06:16 AM -0400
V3.0: 4.7 MEDIUM
V2.0: 1.9 LOW
CVE-2016-4962

The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore.

Published: June 07, 2016; 10:06:15 AM -0400
V3.0: 6.7 MEDIUM
V2.0: 6.8 MEDIUM
CVE-2016-4480

The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.

Published: May 18, 2016; 10:59:05 AM -0400
V3.0: 8.4 HIGH
V2.0: 7.2 HIGH