# |
CVE ID
|
CWE ID
|
# of Exploits
|
Vulnerability Type(s)
|
Publish Date
|
Update Date
|
Score
|
Gained Access Level
|
Access
|
Complexity
|
Authentication
|
Conf.
|
Integ.
|
Avail.
|
1 |
CVE-2017-14431 |
772 |
|
DoS |
2017-09-13 |
2019-10-03 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207. |
2 |
CVE-2016-9932 |
200 |
|
+Info |
2017-01-26 |
2017-11-04 |
2.1 |
None |
Local |
Low |
Not required |
Partial |
None |
None |
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. |
3 |
CVE-2016-9382 |
264 |
|
DoS +Priv |
2017-01-23 |
2017-07-01 |
4.6 |
None |
Local |
Low |
Not required |
Partial |
Partial |
Partial |
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode. |
4 |
CVE-2016-4963 |
284 |
|
DoS |
2016-06-07 |
2018-09-07 |
1.9 |
None |
Local |
Medium |
Not required |
None |
None |
Partial |
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. |
5 |
CVE-2016-1571 |
17 |
|
DoS |
2016-01-22 |
2018-10-30 |
4.7 |
None |
Local |
Medium |
Not required |
None |
None |
Complete |
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check. |
6 |
CVE-2016-1570 |
20 |
|
DoS +Priv +Info |
2016-01-22 |
2018-10-30 |
6.9 |
None |
Local |
Medium |
Not required |
Complete |
Complete |
Complete |
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates. |
7 |
CVE-2015-8552 |
20 |
|
DoS |
2016-04-13 |
2017-11-04 |
1.7 |
None |
Local |
Low |
??? |
None |
None |
Partial |
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." |
8 |
CVE-2015-8341 |
399 |
|
DoS |
2015-12-17 |
2017-07-01 |
7.8 |
None |
Remote |
Low |
Not required |
None |
None |
Complete |
The libxl toolstack library in Xen 4.1.x through 4.6.x does not properly release mappings of files used as kernels and initial ramdisks when managing multiple domains in the same process, which allows attackers to cause a denial of service (memory and disk consumption) by starting domains. |
9 |
CVE-2015-8340 |
17 |
|
DoS |
2015-12-17 |
2017-07-01 |
4.7 |
None |
Local |
Medium |
Not required |
None |
None |
Complete |
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. |
10 |
CVE-2015-8339 |
19 |
|
DoS |
2015-12-17 |
2017-07-01 |
4.7 |
None |
Local |
Medium |
Not required |
None |
None |
Complete |
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. |
11 |
CVE-2015-7972 |
399 |
|
DoS |
2015-10-30 |
2018-10-30 |
2.1 |
None |
Local |
Low |
Not required |
None |
None |
Partial |
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." |
12 |
CVE-2015-7971 |
19 |
|
DoS |
2015-10-30 |
2018-10-30 |
2.1 |
None |
Local |
Low |
Not required |
None |
None |
Partial |
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. |
13 |
CVE-2015-7969 |
399 |
|
DoS |
2015-10-30 |
2018-10-30 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
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. |
14 |
CVE-2015-7835 |
264 |
|
+Priv |
2015-10-30 |
2018-10-30 |
7.2 |
None |
Local |
Low |
Not required |
Complete |
Complete |
Complete |
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. |
15 |
CVE-2015-7311 |
17 |
|
|
2015-10-01 |
2018-10-30 |
3.6 |
None |
Local |
Low |
Not required |
None |
Partial |
Partial |
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. |
16 |
CVE-2015-4164 |
399 |
|
DoS |
2015-06-15 |
2018-10-30 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
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. |
17 |
CVE-2015-4105 |
399 |
|
DoS |
2015-06-03 |
2017-11-15 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
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. |
18 |
CVE-2015-4104 |
264 |
|
DoS |
2015-06-03 |
2017-11-15 |
7.8 |
None |
Remote |
Low |
Not required |
None |
None |
Complete |
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. |
19 |
CVE-2015-4103 |
264 |
|
DoS |
2015-06-03 |
2017-11-15 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
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. |
20 |
CVE-2015-3259 |
264 |
|
Overflow +Priv |
2015-07-16 |
2018-10-30 |
6.8 |
None |
Local |
Low |
??? |
Complete |
Complete |
Complete |
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. |
21 |
CVE-2015-2151 |
264 |
|
DoS Exec Code Mem. Corr. +Info |
2015-03-12 |
2018-10-30 |
7.2 |
None |
Local |
Low |
Not required |
Complete |
Complete |
Complete |
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. |
22 |
CVE-2015-2150 |
264 |
|
DoS |
2015-03-12 |
2018-10-30 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
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. |
23 |
CVE-2015-2045 |
200 |
|
+Info |
2015-03-12 |
2018-10-30 |
2.1 |
None |
Local |
Low |
Not required |
Partial |
None |
None |
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. |
24 |
CVE-2015-2044 |
200 |
|
+Info |
2015-03-12 |
2018-10-30 |
2.1 |
None |
Local |
Low |
Not required |
Partial |
None |
None |
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. |
25 |
CVE-2015-1563 |
399 |
|
DoS |
2015-02-09 |
2018-10-30 |
2.1 |
None |
Local |
Low |
Not required |
None |
None |
Partial |
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged. |
26 |
CVE-2014-9030 |
20 |
|
DoS |
2014-11-24 |
2018-10-30 |
7.1 |
None |
Remote |
Medium |
Not required |
None |
None |
Complete |
The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE. |
27 |
CVE-2014-8866 |
17 |
|
DoS |
2014-12-01 |
2018-10-30 |
4.7 |
None |
Local |
Medium |
Not required |
None |
None |
Complete |
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. |
28 |
CVE-2014-8595 |
17 |
|
DoS +Priv |
2014-11-19 |
2018-10-30 |
1.9 |
None |
Local |
Medium |
Not required |
None |
None |
Partial |
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction. |
29 |
CVE-2014-8594 |
20 |
|
DoS |
2014-11-19 |
2018-10-30 |
5.4 |
None |
Remote |
High |
Not required |
None |
None |
Complete |
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP). |
30 |
CVE-2014-7188 |
399 |
|
DoS |
2014-10-02 |
2018-10-30 |
8.3 |
None |
Local Network |
Low |
Not required |
Complete |
Complete |
Complete |
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors. |
31 |
CVE-2014-7156 |
264 |
|
DoS |
2014-10-02 |
2018-10-30 |
3.3 |
None |
Local Network |
Low |
Not required |
None |
None |
Partial |
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors. |
32 |
CVE-2014-7155 |
264 |
|
DoS +Priv |
2014-10-02 |
2018-10-30 |
5.8 |
None |
Local Network |
Low |
Not required |
Partial |
Partial |
Partial |
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction. |
33 |
CVE-2014-7154 |
362 |
|
DoS |
2014-10-02 |
2018-10-30 |
6.1 |
None |
Local Network |
Low |
Not required |
None |
None |
Complete |
Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors. |
34 |
CVE-2014-4021 |
119 |
|
Overflow +Info |
2014-06-18 |
2018-10-30 |
2.7 |
None |
Local Network |
Low |
??? |
Partial |
None |
None |
Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors. |
35 |
CVE-2014-3124 |
264 |
|
DoS Exec Code |
2014-05-07 |
2018-10-30 |
6.7 |
None |
Local Network |
Low |
??? |
Partial |
Partial |
Complete |
The HVMOP_set_mem_type control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service (hypervisor crash) or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types. |
36 |
CVE-2014-2599 |
20 |
|
DoS |
2014-03-28 |
2017-01-07 |
4.9 |
None |
Local |
Low |
Not required |
None |
None |
Complete |
The HVMOP_set_mem_access HVM control operations in Xen 4.1.x for 32-bit and 4.1.x through 4.4.x for 64-bit allow local guest administrators to cause a denial of service (CPU consumption) by leveraging access to certain service domains for HVM guests and a large input. |
37 |
CVE-2014-1950 |
399 |
|
DoS +Priv |
2014-02-14 |
2014-12-12 |
4.6 |
None |
Local |
Low |
Not required |
Partial |
Partial |
Partial |
Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors. |
38 |
CVE-2014-1892 |
119 |
|
DoS Overflow |
2014-04-01 |
2017-01-07 |
5.2 |
None |
Local Network |
Medium |
??? |
None |
None |
Complete |
Xen 3.3 through 4.1, when XSM is enabled, allows local users to cause a denial of service via vectors related to a "large memory allocation," a different vulnerability than CVE-2014-1891, CVE-2014-1893, and CVE-2014-1894. |
39 |
CVE-2014-1891 |
189 |
|
DoS Overflow |
2014-04-01 |
2017-01-07 |
5.2 |
None |
Local Network |
Medium |
??? |
None |
None |
Complete |
Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894. |
40 |
CVE-2014-1666 |
264 |
|
DoS +Priv |
2014-01-26 |
2018-01-03 |
8.3 |
None |
Local Network |
Low |
Not required |
Complete |
Complete |
Complete |
The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors. |
41 |
CVE-2013-4554 |
264 |
|
+Priv |
2013-12-24 |
2017-01-07 |
5.2 |
None |
Local Network |
Low |
??? |
Partial |
Partial |
Partial |
Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2. |
42 |
CVE-2013-4553 |
119 |
|
DoS Overflow |
2013-12-24 |
2017-01-07 |
5.2 |
None |
Local Network |
Medium |
??? |
None |
None |
Complete |
The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock). |
43 |
CVE-2013-4416 |
119 |
|
DoS Overflow |
2013-11-02 |
2017-01-07 |
5.2 |
None |
Local Network |
Medium |
??? |
None |
None |
Complete |
The Ocaml xenstored implementation (oxenstored) in Xen 4.1.x, 4.2.x, and 4.3.x allows local guest domains to cause a denial of service (domain shutdown) via a large message reply. |
44 |
CVE-2013-4368 |
200 |
|
+Info |
2013-10-17 |
2017-08-29 |
1.9 |
None |
Local |
Medium |
Not required |
Partial |
None |
None |
The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register. |