National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

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Search Parameters:
  • Contains Software Flaws (CVE)
  • CPE Product Version: cpe:/o:xen:xen:3.4.1
There are 114 matching records.
Displaying matches 41 through 60.
Vuln ID Summary CVSS Severity
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; 09:29:00 PM -04:00
V3: 9.1 CRITICAL
V2: 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; 09:29:00 PM -04:00
V3: 9.0 CRITICAL
V2: 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; 09:29:00 PM -04:00
V3: 8.1 HIGH
V2: 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; 09:29:00 PM -04:00
V3: 9.8 CRITICAL
V2: 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; 09:29:00 PM -04:00
V3: 10.0 CRITICAL
V2: 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; 03:59:00 PM -04:00
V3: 3.8 LOW
V2: 1.7 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 -05:00
V3: 3.3 LOW
V2: 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 -05:00
V3: 6.0 MEDIUM
V2: 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 -05:00
V3: 7.8 HIGH
V2: 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 -04:00
V3: 6.3 MEDIUM
V2: 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 -04:00
V3: 4.1 MEDIUM
V2: 1.5 LOW
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 -04:00
V3: 8.4 HIGH
V2: 7.2 HIGH
CVE-2016-3961

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

Published: April 15, 2016; 10:59:14 AM -04:00
V3: 5.5 MEDIUM
V2: 2.1 LOW
CVE-2015-8554

Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."

Published: April 14, 2016; 10:59:05 AM -04:00
V3: 7.5 HIGH
V2: 6.6 MEDIUM
CVE-2016-3158

The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076.

Published: April 13, 2016; 12:59:18 PM -04:00
V3: 3.8 LOW
V2: 1.7 LOW
CVE-2015-8552

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 generate a continuous stream of WARN messages and cause a denial of service (disk consumption) by leveraging a system with access to a passed-through MSI or MSI-X capable physical PCI device and XEN_PCI_OP_enable_msi operations, aka "Linux pciback missing sanity checks."

Published: April 13, 2016; 11:59:06 AM -04:00
V3: 4.4 MEDIUM
V2: 1.7 LOW
CVE-2016-2270

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.

Published: February 19, 2016; 11:59:00 AM -05:00
V3: 6.8 MEDIUM
V2: 4.6 MEDIUM
CVE-2016-1571

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

Published: January 22, 2016; 10:59:06 AM -05:00
V3: 6.3 MEDIUM
V2: 4.7 MEDIUM
CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.

Published: January 22, 2016; 10:59:05 AM -05:00
V3: 8.5 HIGH
V2: 6.9 MEDIUM
CVE-2015-8340

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly release locks, which might allow guest OS administrators to cause a denial of service (deadlock or host crash) via unspecified vectors, related to XENMEM_exchange error handling.

Published: December 17, 2015; 02:59:08 PM -05:00
V2: 4.7 MEDIUM