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 61 through 80.
Vuln ID Summary CVSS Severity
CVE-2015-8339

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.

Published: December 17, 2015; 02:59:07 PM -05:00
V2: 4.7 MEDIUM
CVE-2015-8338

Xen 4.6.x and earlier does not properly enforce limits on page order inputs for the (1) XENMEM_increase_reservation, (2) XENMEM_populate_physmap, (3) XENMEM_exchange, and possibly other HYPERVISOR_memory_op suboperations, which allows ARM guest OS administrators to cause a denial of service (CPU consumption, guest reboot, or watchdog timeout and host reboot) and possibly have unspecified other impact via unknown vectors.

Published: December 17, 2015; 02:59:06 PM -05:00
V2: 7.2 HIGH
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 -04:00
V2: 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 -04:00
V2: 2.1 LOW
CVE-2015-7970

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

Published: October 30, 2015; 11:59:06 AM -04:00
V2: 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 -04:00
V2: 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 -04:00
V2: 4.7 MEDIUM
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 -04:00
V2: 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 -04:00
V2: 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 -04:00
V2: 7.2 HIGH
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 -04:00
V2: 4.9 MEDIUM
CVE-2015-3209

Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.

Published: June 15, 2015; 11:59:00 AM -04:00
V2: 7.5 HIGH
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; 04:59:08 PM -04:00
V2: 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; 04:59:07 PM -04:00
V2: 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; 04:59:06 PM -04:00
V2: 4.9 MEDIUM
CVE-2015-0777

drivers/xen/usbback/usbback.c in linux-2.6.18-xen-3.4.0 (aka the Xen 3.4.x support patches for the Linux kernel 2.6.18), as used in the Linux kernel 2.6.x and 3.x in SUSE Linux distributions, allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory via unspecified vectors.

Published: April 05, 2015; 05:59:00 PM -04:00
V2: 2.1 LOW
CVE-2015-2152

Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.

Published: March 18, 2015; 12:59:02 PM -04:00
V2: 1.9 LOW
CVE-2015-2151

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

Published: March 12, 2015; 10:59:03 AM -04:00
V2: 7.2 HIGH
CVE-2015-2150

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS 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: March 12, 2015; 10:59:02 AM -04:00
V2: 4.9 MEDIUM
CVE-2015-2045

The HYPERVISOR_xen_version hypercall in Xen 3.2.x through 4.5.x does not properly initialize data structures, which allows local guest users to obtain sensitive information via unspecified vectors.

Published: March 12, 2015; 10:59:01 AM -04:00
V2: 2.1 LOW