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XEN » XEN » 4.2.2 * * * : Security Vulnerabilities

Cpe Name:cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
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# 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-2016-6258 284 +Priv 2016-08-02 2017-07-01
7.2
 None Local Low Not required Complete Complete Complete
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
5 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.
6 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.
7 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.
8 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."
9 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.
10 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.
11 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.
12 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."
13 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.
14 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.
15 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.
16 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.
17 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.
18 CVE-2015-4163 DoS 2015-06-15 2018-10-30
4.9
 None Local Low Not required None None Complete
GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
19 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.
20 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.
21 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.
22 CVE-2015-3340 200 +Info 2015-04-28 2018-10-30
2.9
 None Local Network Medium Not required Partial None None
Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.
23 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.
24 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.
25 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.
26 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.
27 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.
28 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.
29 CVE-2015-0361 DoS 2015-01-07 2018-10-30
7.8
 None Remote Low Not required None None Complete
Use-after-free vulnerability in Xen 4.2.x, 4.3.x, and 4.4.x allows remote domains to cause a denial of service (system crash) via a crafted hypercall during HVM guest teardown.
30 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.
31 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.
32 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.
33 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).
34 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.
35 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.
36 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.
37 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.
38 CVE-2014-5149 399 DoS 2014-08-22 2018-10-30
4.7
 None Local Medium Not required None None Complete
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
39 CVE-2014-5146 399 DoS 2014-08-22 2018-10-30
4.7
 None Local Medium Not required None None Complete
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149.
40 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.
41 CVE-2014-3968 DoS 2014-06-05 2018-10-30
5.5
 None Local Network Low ??? None None Complete
The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged.
42 CVE-2014-3967 DoS 2014-06-05 2018-10-30
5.5
 None Local Network Low ??? None None Complete
The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.
43 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.
44 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.
45 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.
46 CVE-2014-1896 20 DoS +Priv 2014-04-01 2017-01-07
4.9
 None Local Network Medium ??? Partial Partial Partial
The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
47 CVE-2014-1895 189 DoS +Info 2014-04-01 2017-01-07
5.8
 None Local Network Medium ??? Partial None Complete
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.
48 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.
49 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.
50 CVE-2014-1642 399 DoS Exec Code Mem. Corr. 2014-01-26 2018-01-03
4.4
 None Local Medium Not required Partial Partial Partial
The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.
Total number of vulnerabilities : 78   Page : 1 (This Page)2
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