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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:x86:*:*
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There are 191 matching records.
Displaying matches 121 through 140.
Vuln ID Summary CVSS Severity
CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB (aka Debug) exceptions, related to svm.c.

Published: November 16, 2015; 6:59:12 AM -0500
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2015-5307

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Published: November 16, 2015; 6:59:05 AM -0500
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-7972

The (1) libxl_set_memory_target function in tools/libxl/libxl.c and (2) libxl__build_post function in tools/libxl/libxl_dom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand (PoD) system, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors related to "heavy memory pressure."

Published: October 30, 2015; 11:59:09 AM -0400
V3.x:(not available)
V2.0: 2.1 LOW
CVE-2015-7971

Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.

Published: October 30, 2015; 11:59:07 AM -0400
V3.x:(not available)
V2.0: 2.1 LOW
CVE-2015-7969

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

Published: October 30, 2015; 11:59:05 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-7835

The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.

Published: October 30, 2015; 11:59:04 AM -0400
V3.x:(not available)
V2.0: 7.2 HIGH
CVE-2015-7814

Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain.

Published: October 30, 2015; 11:59:03 AM -0400
V3.x:(not available)
V2.0: 4.7 MEDIUM
CVE-2015-7311

libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.

Published: October 01, 2015; 4:59:06 PM -0400
V3.x:(not available)
V2.0: 3.6 LOW
CVE-2015-5166

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Published: August 12, 2015; 10:59:25 AM -0400
V3.x:(not available)
V2.0: 7.2 HIGH
CVE-2015-5165

The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.

Published: August 12, 2015; 10:59:24 AM -0400
V3.x:(not available)
V2.0: 5.0 MEDIUM
CVE-2015-5154

Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands.

Published: August 12, 2015; 10:59:23 AM -0400
V3.x:(not available)
V2.0: 7.2 HIGH
CVE-2015-3259

Stack-based buffer overflow in the xl command line utility in Xen 4.1.x through 4.5.x allows local guest administrators to gain privileges via a long configuration argument.

Published: July 16, 2015; 10:59:01 AM -0400
V3.x:(not available)
V2.0: 6.8 MEDIUM
CVE-2015-4164

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

Published: June 15, 2015; 11:59:13 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-4163

GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.

Published: June 15, 2015; 11:59:12 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-4105

Xen 3.3.x through 4.5.x enables logging for PCI MSI-X pass-through error messages, which allows local x86 HVM guests to cause a denial of service (host disk consumption) via certain invalid operations.

Published: June 03, 2015; 4:59:08 PM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-4104

Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.

Published: June 03, 2015; 4:59:07 PM -0400
V3.x:(not available)
V2.0: 7.8 HIGH
CVE-2015-4103

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

Published: June 03, 2015; 4:59:06 PM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-3340

Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.

Published: April 28, 2015; 10:59:02 AM -0400
V3.x:(not available)
V2.0: 2.9 LOW
CVE-2015-2756

QEMU, as used in Xen 3.3.x through 4.5.x, does not properly restrict access to PCI command registers, which might allow local HVM guest users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.

Published: April 01, 2015; 10:59:08 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM
CVE-2015-2752

The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).

Published: April 01, 2015; 10:59:06 AM -0400
V3.x:(not available)
V2.0: 4.9 MEDIUM