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- Results Type: Overview
- Keyword (text search): cpe:2.3:o:xen:xen:3.2.0:*:*:*:*:*:*:*
Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2017-10918 |
Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222. Published: July 04, 2017; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 10.0 CRITICAL V2.0: 10.0 HIGH |
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; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 9.1 CRITICAL V2.0: 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; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 9.0 CRITICAL V2.0: 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; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 8.1 HIGH V2.0: 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; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 9.8 CRITICAL V2.0: 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; 9:29:00 PM -0400 |
V4.0:(not available) V3.0: 10.0 CRITICAL V2.0: 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; 3:59:00 PM -0400 |
V4.0:(not available) V3.0: 3.8 LOW V2.0: 1.7 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 -0500 |
V4.0:(not available) V3.0: 6.0 MEDIUM V2.0: 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 -0500 |
V4.0:(not available) V3.0: 7.8 HIGH V2.0: 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 -0400 |
V4.0:(not available) V3.0: 6.3 MEDIUM V2.0: 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 -0400 |
V4.0:(not available) V3.0: 4.1 MEDIUM V2.0: 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 -0400 |
V4.0:(not available) V3.0: 8.4 HIGH V2.0: 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 -0400 |
V4.0:(not available) V3.0: 5.5 MEDIUM V2.0: 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 -0400 |
V4.0:(not available) V3.0: 7.5 HIGH V2.0: 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 -0400 |
V4.0:(not available) V3.0: 3.8 LOW V2.0: 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 -0400 |
V4.0:(not available) V3.0: 4.4 MEDIUM V2.0: 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 -0500 |
V4.0:(not available) V3.0: 6.8 MEDIUM V2.0: 4.6 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; 2:59:08 PM -0500 |
V4.0:(not available) 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 |
V4.0:(not available) 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 |
V4.0:(not available) V3.x:(not available) V2.0: 7.2 HIGH |