Filtered by vendor Xen
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172 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2015-7835 | 1 Xen | 1 Xen | 2018-10-30 | 7.2 HIGH | N/A |
| 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. | |||||
| CVE-2015-7813 | 1 Xen | 1 Xen | 2018-10-30 | 2.1 LOW | N/A |
| Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c. | |||||
| CVE-2015-7311 | 1 Xen | 1 Xen | 2018-10-30 | 3.6 LOW | N/A |
| 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. | |||||
| CVE-2015-2752 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2018-10-30 | 4.9 MEDIUM | N/A |
| The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm). | |||||
| CVE-2015-2751 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2018-10-30 | 7.1 HIGH | N/A |
| Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations. | |||||
| CVE-2015-2152 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2018-10-30 | 1.9 LOW | N/A |
| 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. | |||||
| CVE-2015-2151 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2018-10-30 | 7.2 HIGH | N/A |
| 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. | |||||
| CVE-2015-2150 | 3 Linux, Ubuntu, Xen | 3 Linux Kernel, Ubuntu, Xen | 2018-10-30 | 4.9 MEDIUM | N/A |
| 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. | |||||
| CVE-2015-2045 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2018-10-30 | 2.1 LOW | N/A |
| 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. | |||||
| CVE-2015-2044 | 1 Xen | 1 Xen | 2018-10-30 | 2.1 LOW | N/A |
| 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. | |||||
| CVE-2015-0268 | 1 Xen | 1 Xen | 2018-10-30 | 4.9 MEDIUM | N/A |
| The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register. | |||||
| CVE-2015-7812 | 1 Xen | 1 Xen | 2018-10-30 | 4.9 MEDIUM | N/A |
| The hypercall_create_continuation function in arch/arm/domain.c in Xen 4.4.x through 4.6.x allows local guest users to cause a denial of service (host crash) via a preemptible hypercall to the multicall interface. | |||||
| CVE-2014-7188 | 1 Xen | 1 Xen | 2018-10-30 | 8.3 HIGH | N/A |
| 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. | |||||
| CVE-2014-7156 | 1 Xen | 1 Xen | 2018-10-30 | 3.3 LOW | N/A |
| 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. | |||||
| CVE-2012-2625 | 1 Xen | 2 Xen, Xen-unstable | 2018-04-13 | 2.7 LOW | N/A |
| The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image. | |||||
| CVE-2014-1642 | 1 Xen | 1 Xen | 2018-01-03 | 4.4 MEDIUM | N/A |
| 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. | |||||
| CVE-2014-1666 | 1 Xen | 1 Xen | 2018-01-03 | 8.3 HIGH | N/A |
| 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. | |||||
| CVE-2015-4103 | 1 Xen | 1 Xen | 2017-11-15 | 4.9 MEDIUM | N/A |
| 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. | |||||
| CVE-2015-4105 | 1 Xen | 1 Xen | 2017-11-15 | 4.9 MEDIUM | N/A |
| 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. | |||||
| CVE-2015-4104 | 1 Xen | 1 Xen | 2017-11-15 | 7.8 HIGH | N/A |
| 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. | |||||
| CVE-2007-0998 | 2 Redhat, Xen | 3 Enterprise Linux, Fedora Core, Qemu | 2017-10-11 | 4.3 MEDIUM | N/A |
| The VNC server implementation in QEMU, as used by Xen and possibly other environments, allows local users of a guest operating system to read arbitrary files on the host operating system via unspecified vectors related to QEMU monitor mode, as demonstrated by mapping files to a CDROM device. NOTE: some of these details are obtained from third party information. | |||||
| CVE-2009-1758 | 2 Linux, Xen | 2 Linux Kernel, Xen | 2017-09-29 | 5.0 MEDIUM | N/A |
| The hypervisor_callback function in Xen, possibly before 3.4.0, as applied to the Linux kernel 2.6.30-rc4, 2.6.18, and probably other versions allows guest user applications to cause a denial of service (kernel oops) of the guest OS by triggering a segmentation fault in "certain address ranges." | |||||
| CVE-2008-4993 | 1 Xen | 1 Xen | 2017-09-29 | 6.9 MEDIUM | N/A |
| qemu-dm.debug in Xen 3.2.1 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/args temporary file. | |||||
| CVE-2007-6416 | 1 Xen | 1 Xen | 2017-09-29 | 4.6 MEDIUM | N/A |
| The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations. | |||||
| CVE-2009-3525 | 1 Xen | 1 Xen | 2017-09-19 | 7.2 HIGH | N/A |
| The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-virtualized guests, which allows attackers with access to the para-virtualized guest console to boot the guest or modify the guest's kernel boot parameters without providing the expected password. | |||||
| CVE-2014-6268 | 1 Xen | 1 Xen | 2017-09-08 | 4.9 MEDIUM | N/A |
| The evtchn_fifo_set_pending function in Xen 4.4.x allows local guest users to cause a denial of service (host crash) via vectors involving an uninitialized FIFO-based event channel control block when (1) binding or (2) moving an event to a different VCPU. | |||||
| CVE-2014-5148 | 1 Xen | 1 Xen | 2017-08-29 | 4.6 MEDIUM | N/A |
| Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process. | |||||
| CVE-2013-1920 | 1 Xen | 1 Xen | 2017-08-29 | 4.4 MEDIUM | N/A |
| Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors. | |||||
| CVE-2013-0231 | 2 Linux, Xen | 2 Linux Kernel, Xen | 2017-08-29 | 4.9 MEDIUM | N/A |
| The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information. | |||||
| CVE-2013-4369 | 1 Xen | 1 Xen | 2017-08-29 | 1.9 LOW | N/A |
| The xlu_vif_parse_rate function in the libxlu library in Xen 4.2.x and 4.3.x allows local users to cause a denial of service (NULL pointer dereference) by using the "@" character as the VIF rate configuration. | |||||
| CVE-2013-1952 | 1 Xen | 1 Xen | 2017-08-29 | 1.9 LOW | N/A |
| Xen 4.x, when using Intel VT-d for a bus mastering capable PCI device, does not properly check the source when accessing a bridge device's interrupt remapping table entries for MSI interrupts, which allows local guest domains to cause a denial of service (interrupt injection) via unspecified vectors. | |||||
| CVE-2013-4368 | 1 Xen | 1 Xen | 2017-08-29 | 1.9 LOW | N/A |
| 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. | |||||
| CVE-2013-4551 | 1 Xen | 1 Xen | 2017-08-29 | 5.7 MEDIUM | N/A |
| Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution." | |||||
| CVE-2012-5515 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value. | |||||
| CVE-2012-4536 | 1 Xen | 1 Xen | 2017-08-29 | 2.1 LOW | N/A |
| The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read. | |||||
| CVE-2012-4535 | 1 Xen | 1 Xen | 2017-08-29 | 1.9 LOW | N/A |
| Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline." | |||||
| CVE-2012-4537 | 1 Xen | 1 Xen | 2017-08-29 | 2.1 LOW | N/A |
| Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability." | |||||
| CVE-2012-4538 | 1 Xen | 1 Xen | 2017-08-29 | 4.9 MEDIUM | N/A |
| The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors. | |||||
| CVE-2012-4539 | 1 Xen | 1 Xen | 2017-08-29 | 2.1 LOW | N/A |
| Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infinite loop DoS vulnerability." | |||||
| CVE-2012-4544 | 1 Xen | 1 Xen | 2017-08-29 | 2.1 LOW | N/A |
| The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk. | |||||
| CVE-2012-5525 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read. | |||||
| CVE-2012-5510 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors. | |||||
| CVE-2012-5511 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| Stack-based buffer overflow in the dirty video RAM tracking functionality in Xen 3.4 through 4.1 allows local HVM guest OS administrators to cause a denial of service (crash) via a large bitmap image. | |||||
| CVE-2012-5513 | 1 Xen | 1 Xen | 2017-08-29 | 6.9 MEDIUM | N/A |
| The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range. | |||||
| CVE-2012-5514 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors. | |||||
| CVE-2012-6030 | 1 Xen | 1 Xen | 2017-08-29 | 7.2 HIGH | N/A |
| The do_tmem_op function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (host crash) and possibly have other unspecified impacts via unspecified vectors related to "broken locking checks" in an "error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others. | |||||
| CVE-2012-6031 | 1 Xen | 1 Xen | 2017-08-29 | 4.7 MEDIUM | N/A |
| The do_tmem_get function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (CPU hang and host crash) via unspecified vectors related to a spinlock being held in the "bad_copy error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others. | |||||
| CVE-2012-6032 | 1 Xen | 1 Xen | 2017-08-29 | 4.9 MEDIUM | N/A |
| Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others. | |||||
| CVE-2012-6033 | 1 Xen | 1 Xen | 2017-08-29 | 4.4 MEDIUM | N/A |
| The do_tmem_control function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 does not properly check privileges, which allows local guest OS users to access control stack operations via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others. | |||||
| CVE-2012-6034 | 1 Xen | 1 Xen | 2017-08-29 | 4.4 MEDIUM | N/A |
| The (1) tmemc_save_get_next_page and (2) tmemc_save_get_next_inv functions and the (3) TMEMC_SAVE_GET_POOL_UUID sub-operation in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 "do not check incoming guest output buffer pointers," which allows local guest OS users to cause a denial of service (memory corruption and host crash) or execute arbitrary code via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others. | |||||