Filtered by vendor Xen
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Total
493 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2015-8552 | 4 Canonical, Debian, Novell and 1 more | 5 Ubuntu Linux, Debian Linux, Suse Linux Enterprise Debuginfo and 2 more | 2025-04-12 | 1.7 LOW | 4.4 MEDIUM |
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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."
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| CVE-2015-2045 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2025-04-12 | 2.1 LOW | N/A |
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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.
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| CVE-2015-8340 | 1 Xen | 1 Xen | 2025-04-12 | 4.7 MEDIUM | N/A |
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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.
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| CVE-2015-5307 | 5 Canonical, Debian, Linux and 2 more | 5 Ubuntu Linux, Debian Linux, Linux Kernel and 2 more | 2025-04-12 | 4.9 MEDIUM | N/A |
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The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.
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| CVE-2016-7154 | 1 Xen | 1 Xen | 2025-04-12 | 7.2 HIGH | 6.7 MEDIUM |
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Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.
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| CVE-2015-3456 | 3 Qemu, Redhat, Xen | 5 Qemu, Enterprise Linux, Enterprise Virtualization and 2 more | 2025-04-12 | 7.7 HIGH | N/A |
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The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.
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| CVE-2015-4104 | 1 Xen | 1 Xen | 2025-04-12 | 7.8 HIGH | N/A |
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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.
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| CVE-2015-7813 | 1 Xen | 1 Xen | 2025-04-12 | 2.1 LOW | N/A |
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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.
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| CVE-2015-7972 | 1 Xen | 1 Xen | 2025-04-12 | 2.1 LOW | N/A |
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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."
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| CVE-2015-0361 | 2 Opensuse, Xen | 2 Opensuse, Xen | 2025-04-12 | 7.8 HIGH | N/A |
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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.
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| CVE-2015-8555 | 2 Citrix, Xen | 2 Xenserver, Xen | 2025-04-12 | 5.0 MEDIUM | 8.6 HIGH |
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Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors.
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| CVE-2016-2271 | 1 Xen | 1 Xen | 2025-04-12 | 2.1 LOW | 5.5 MEDIUM |
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VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
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| CVE-2015-0268 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2016-7777 | 1 Xen | 1 Xen | 2025-04-12 | 3.3 LOW | 6.3 MEDIUM |
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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.
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| CVE-2014-7154 | 4 Debian, Fedoraproject, Opensuse and 1 more | 4 Debian Linux, Fedora, Opensuse and 1 more | 2025-04-12 | 6.1 MEDIUM | N/A |
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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.
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| CVE-2015-8338 | 1 Xen | 1 Xen | 2025-04-12 | 7.2 HIGH | N/A |
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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.
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| CVE-2016-6259 | 2 Citrix, Xen | 2 Xenserver, Xen | 2025-04-12 | 4.9 MEDIUM | 6.2 MEDIUM |
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Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.
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| CVE-2012-2934 | 1 Xen | 1 Xen | 2025-04-11 | 1.9 LOW | N/A |
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Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service (host hang) via sequential execution of instructions across a non-canonical boundary, a different vulnerability than CVE-2012-0217.
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| CVE-2013-2078 | 1 Xen | 1 Xen | 2025-04-11 | 4.7 MEDIUM | N/A |
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Xen 4.0.2 through 4.0.4, 4.1.x, and 4.2.x allows local PV guest users to cause a denial of service (hypervisor crash) via certain bit combinations to the XSETBV instruction.
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| CVE-2012-2625 | 1 Xen | 2 Xen, Xen-unstable | 2025-04-11 | 2.7 LOW | N/A |
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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.
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| CVE-2013-2212 | 1 Xen | 1 Xen | 2025-04-11 | 5.7 MEDIUM | N/A |
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The vmx_set_uc_mode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service (CPU consumption and possibly hypervisor or guest kernel panic) via a crafted GFN range.
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| CVE-2013-4554 | 1 Xen | 1 Xen | 2025-04-11 | 5.2 MEDIUM | N/A |
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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.
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| CVE-2012-3495 | 2 Citrix, Xen | 2 Xenserver, Xen | 2025-04-11 | 6.1 MEDIUM | N/A |
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The physdev_get_free_pirq hypercall in arch/x86/physdev.c in Xen 4.1.x and Citrix XenServer 6.0.2 and earlier uses the return value of the get_free_pirq function as an array index without checking that the return value indicates an error, which allows guest OS users to cause a denial of service (invalid memory write and host crash) and possibly gain privileges via unspecified vectors.
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| CVE-2012-3497 | 1 Xen | 1 Xen | 2025-04-11 | 6.9 MEDIUM | N/A |
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(1) TMEMC_SAVE_GET_CLIENT_WEIGHT, (2) TMEMC_SAVE_GET_CLIENT_CAP, (3) TMEMC_SAVE_GET_CLIENT_FLAGS and (4) TMEMC_SAVE_END 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 (NULL pointer dereference or memory corruption and host crash) or possibly have other unspecified impacts via a NULL client id.
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| CVE-2013-0153 | 1 Xen | 1 Xen | 2025-04-11 | 4.7 MEDIUM | N/A |
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The AMD IOMMU support in Xen 4.2.x, 4.1.x, 3.3, and other versions, when using AMD-Vi for PCI passthrough, uses the same interrupt remapping table for the host and all guests, which allows guests to cause a denial of service by injecting an interrupt into other guests.
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| CVE-2011-2901 | 1 Xen | 1 Xen | 2025-04-11 | 5.5 MEDIUM | N/A |
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Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits.
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| CVE-2012-4538 | 1 Xen | 1 Xen | 2025-04-11 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2013-2072 | 2 Debian, Xen | 2 Debian Linux, Xen | 2025-04-11 | 7.4 HIGH | N/A |
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Buffer overflow in the Python bindings for the xc_vcpu_setaffinity call in Xen 4.0.x, 4.1.x, and 4.2.x allows local administrators with permissions to configure VCPU affinity to cause a denial of service (memory corruption and xend toolstack crash) and possibly gain privileges via a crafted cpumap.
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| CVE-2012-4537 | 1 Xen | 1 Xen | 2025-04-11 | 2.1 LOW | N/A |
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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."
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| CVE-2013-4355 | 1 Xen | 1 Xen | 2025-04-11 | 1.5 LOW | N/A |
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Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.
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| CVE-2012-3433 | 1 Xen | 1 Xen | 2025-04-11 | 4.9 MEDIUM | N/A |
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Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.
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| CVE-2012-5634 | 1 Xen | 1 Xen | 2025-04-11 | 6.1 MEDIUM | N/A |
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Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.
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| CVE-2013-2211 | 1 Xen | 1 Xen | 2025-04-11 | 7.4 HIGH | N/A |
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The libxenlight (libxl) toolstack library in Xen 4.0.x, 4.1.x, and 4.2.x uses weak permissions for xenstore keys for paravirtualised and emulated serial console devices, which allows local guest administrators to modify the xenstore value via unspecified vectors.
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| CVE-2012-6333 | 1 Xen | 1 Xen | 2025-04-11 | 4.7 MEDIUM | N/A |
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Multiple HVM control operations in Xen 3.4 through 4.2 allow local HVM guest OS administrators to cause a denial of service (physical CPU consumption) via a large input.
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| CVE-2012-4411 | 1 Xen | 1 Xen | 2025-04-11 | 4.6 MEDIUM | N/A |
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The graphical console in Xen 4.0, 4.1 and 4.2 allows local OS guest administrators to obtain sensitive host resource information via the qemu monitor. NOTE: this might be a duplicate of CVE-2007-0998.
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| CVE-2013-1919 | 1 Xen | 1 Xen | 2025-04-11 | 4.7 MEDIUM | N/A |
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Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to gain access to IRQs and cause a denial of service via vectors related to "passed-through IRQs or PCI devices."
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| CVE-2013-4368 | 1 Xen | 1 Xen | 2025-04-11 | 1.9 LOW | N/A |
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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.
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| CVE-2011-2519 | 2 Redhat, Xen | 4 Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Workstation and 1 more | 2025-04-11 | 5.5 MEDIUM | N/A |
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Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
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| CVE-2013-0152 | 1 Xen | 1 Xen | 2025-04-11 | 4.7 MEDIUM | N/A |
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Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service (host memory consumption) by performing nested virtualization in a way that triggers errors that are not properly handled.
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| CVE-2013-4356 | 1 Xen | 1 Xen | 2025-04-11 | 5.4 MEDIUM | N/A |
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Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid memory and cause a denial of service (crash).
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