Vulnerabilities > XEN > Low

DATE CVE VULNERABILITY TITLE RISK
2017-01-26 CVE-2016-10025 NULL Pointer Dereference vulnerability in multiple products
VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.
local
low complexity
xen citrix CWE-476
2.1
2017-01-26 CVE-2016-9932 Information Exposure vulnerability in XEN
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.
local
low complexity
xen CWE-200
2.1
2016-10-07 CVE-2016-7777 Race Condition vulnerability in XEN
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.
local
xen CWE-362
3.3
2016-09-21 CVE-2016-7094 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in XEN
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.
local
xen CWE-119
1.5
2016-06-07 CVE-2016-4963 Improper Access Control vulnerability in XEN
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.
local
xen CWE-284
1.9
2016-04-15 CVE-2016-3961 Improper Input Validation vulnerability in multiple products
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.
local
low complexity
canonical xen CWE-20
2.1
2016-04-13 CVE-2016-3158 Improper Access Control vulnerability in multiple products
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.
local
low complexity
xen fedoraproject oracle CWE-284
1.7
2016-04-13 CVE-2016-3159 Improper Access Control vulnerability in multiple products
The fpu_fxrstor function in arch/x86/i387.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.
local
low complexity
oracle xen fedoraproject debian CWE-284
1.7
2016-04-13 CVE-2015-8552 Improper Input Validation vulnerability in multiple products
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."
local
low complexity
xen canonical debian novell CWE-20
1.7
2016-04-13 CVE-2015-8553 Information Exposure vulnerability in multiple products
Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits.
local
low complexity
xen redhat CWE-200
2.1