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Vuln ID | Summary | CVSS Severity |
---|---|---|
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; 2:59:08 PM -0500 |
V3.x:(not available) V2.0: 4.7 MEDIUM |
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; 2:59:07 PM -0500 |
V3.x:(not available) V2.0: 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; 2:59:06 PM -0500 |
V3.x:(not available) V2.0: 7.2 HIGH |
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-2015-7814 |
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-2015-5166 |
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: 9.3 HIGH |
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-2015-4164 |
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-2015-4105 |
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-2015-2152 |
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 -0400 |
V3.x:(not available) V2.0: 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 -0400 |
V3.x:(not available) V2.0: 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 -0400 |
V3.x:(not available) V2.0: 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 -0400 |
V3.x:(not available) V2.0: 2.1 LOW |
CVE-2015-2044 |
The emulation routines for unspecified X86 devices in Xen 3.2.x through 4.5.x does not properly initialize data, which allow local HVM guest users to obtain sensitive information via vectors involving an unsupported access size. Published: March 12, 2015; 10:59:00 AM -0400 |
V3.x:(not available) V2.0: 2.1 LOW |
CVE-2014-9066 |
Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065. Published: December 09, 2014; 6:59:09 PM -0500 |
V3.x:(not available) V2.0: 4.7 MEDIUM |
CVE-2014-9065 |
common/spinlock.c in Xen 4.4.x and earlier does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability to CVE-2014-9066. Published: December 09, 2014; 6:59:08 PM -0500 |
V3.x:(not available) V2.0: 4.4 MEDIUM |
CVE-2014-8866 |
The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode. Published: December 01, 2014; 10:59:08 AM -0500 |
V3.x:(not available) V2.0: 4.7 MEDIUM |