Total
489 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2016-3158 | 3 Fedoraproject, Oracle, Xen | 3 Fedora, Vm Server, Xen | 2025-04-12 | 1.7 LOW | 3.8 LOW |
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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.
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| CVE-2014-7155 | 4 Debian, Fedoraproject, Opensuse and 1 more | 4 Debian Linux, Fedora, Opensuse and 1 more | 2025-04-12 | 5.8 MEDIUM | N/A |
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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.
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| CVE-2015-5154 | 4 Fedoraproject, Qemu, Suse and 1 more | 8 Fedora, Qemu, Linux Enterprise Debuginfo and 5 more | 2025-04-12 | 7.2 HIGH | N/A |
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Heap-based buffer overflow in the IDE subsystem in QEMU, as used in Xen 4.5.x and earlier, when the container has a CDROM drive enabled, allows local guest users to execute arbitrary code on the host via unspecified ATAPI commands.
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| CVE-2014-5147 | 1 Xen | 1 Xen | 2025-04-12 | 4.3 MEDIUM | N/A |
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Xen 4.4.x, when running a 64-bit kernel on an ARM system, does not properly handle traps from the guest domain that use a different address width, which allows local guest users to cause a denial of service (host crash) via a crafted 32-bit process.
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| CVE-2011-3346 | 3 Qemu, Redhat, Xen | 3 Qemu, Enterprise Linux, Xen | 2025-04-12 | 4.0 MEDIUM | N/A |
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Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.
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| CVE-2015-8554 | 1 Xen | 1 Xen | 2025-04-12 | 6.6 MEDIUM | 7.5 HIGH |
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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."
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| CVE-2014-4022 | 1 Xen | 1 Xen | 2025-04-12 | 2.7 LOW | N/A |
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The alloc_domain_struct function in arch/arm/domain.c in Xen 4.4.x, when running on an ARM platform, does not properly initialize the structure containing the grant table pages for a domain, which allows local guest administrators to obtain sensitive information via the GNTTABOP_setup_table subhypercall.
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| CVE-2016-6258 | 2 Citrix, Xen | 2 Xenserver, Xen | 2025-04-12 | 7.2 HIGH | 8.8 HIGH |
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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.
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| CVE-2014-3969 | 1 Xen | 1 Xen | 2025-04-12 | 7.4 HIGH | N/A |
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Xen 4.4.x, when running on an ARM system, does not properly check write permissions on virtual addresses, which allows local guest administrators to gain privileges via unspecified vectors.
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| CVE-2015-2751 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2025-04-12 | 7.1 HIGH | N/A |
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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.
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| CVE-2015-7812 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2015-6654 | 1 Xen | 1 Xen | 2025-04-12 | 2.1 LOW | N/A |
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The xenmem_add_to_physmap_one function in arch/arm/mm.c in Xen 4.5.x, 4.4.x, and earlier does not limit the number of printk console messages when reporting a failure to retrieve a reference on a foreign page, which allows remote domains to cause a denial of service by leveraging permissions to map the memory of a foreign guest.
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| CVE-2014-2599 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2016-2270 | 4 Debian, Fedoraproject, Oracle and 1 more | 4 Debian Linux, Fedora, Vm Server and 1 more | 2025-04-12 | 4.6 MEDIUM | 6.8 MEDIUM |
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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.
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| CVE-2015-5165 | 7 Arista, Debian, Fedoraproject and 4 more | 24 Eos, Debian Linux, Fedora and 21 more | 2025-04-12 | 9.3 HIGH | N/A |
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The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via unspecified vectors.
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| CVE-2015-1563 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2025-04-12 | 2.1 LOW | N/A |
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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.
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| CVE-2016-1571 | 2 Citrix, Xen | 2 Xenserver, Xen | 2025-04-12 | 4.7 MEDIUM | 6.3 MEDIUM |
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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.
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| CVE-2014-6268 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2016-3960 | 3 Fedoraproject, Oracle, Xen | 3 Fedora, Vm Server, Xen | 2025-04-12 | 7.2 HIGH | 8.8 HIGH |
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Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.
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| CVE-2015-2152 | 2 Fedoraproject, Xen | 2 Fedora, Xen | 2025-04-12 | 1.9 LOW | N/A |
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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.
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| CVE-2014-8866 | 3 Debian, Opensuse, Xen | 3 Debian Linux, Opensuse, Xen | 2025-04-12 | 4.7 MEDIUM | N/A |
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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.
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| CVE-2016-7092 | 1 Xen | 1 Xen | 2025-04-12 | 6.8 MEDIUM | 8.2 HIGH |
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The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.
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| CVE-2014-3715 | 1 Xen | 1 Xen | 2025-04-12 | 3.3 LOW | N/A |
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Buffer overflow in Xen 4.4.x allows local users to read system memory or cause a denial of service (crash) via a crafted 32-bit guest kernel, related to searching for an appended DTB.
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| CVE-2015-2150 | 3 Linux, Ubuntu, Xen | 3 Linux Kernel, Ubuntu, Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2014-3968 | 2 Opensuse, Xen | 2 Opensuse, Xen | 2025-04-12 | 5.5 MEDIUM | N/A |
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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.
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| CVE-2014-7188 | 1 Xen | 1 Xen | 2025-04-12 | 8.3 HIGH | N/A |
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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.
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| CVE-2014-1896 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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."
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| CVE-2015-3259 | 1 Xen | 1 Xen | 2025-04-12 | 6.8 MEDIUM | N/A |
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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.
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| CVE-2015-2151 | 3 Debian, Fedoraproject, Xen | 3 Debian Linux, Fedora, Xen | 2025-04-12 | 7.2 HIGH | N/A |
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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.
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| CVE-2014-8595 | 3 Debian, Opensuse, Xen | 3 Debian Linux, Opensuse, Xen | 2025-04-12 | 1.9 LOW | N/A |
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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.
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| CVE-2015-7969 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2016-3157 | 2 Canonical, Xen | 2 Ubuntu Linux, Xen | 2025-04-12 | 7.2 HIGH | 7.8 HIGH |
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The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
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| CVE-2016-5242 | 1 Xen | 1 Xen | 2025-04-12 | 4.7 MEDIUM | 5.6 MEDIUM |
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The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
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| CVE-2014-7156 | 1 Xen | 1 Xen | 2025-04-12 | 3.3 LOW | N/A |
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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.
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| CVE-2015-7311 | 1 Xen | 1 Xen | 2025-04-12 | 3.6 LOW | N/A |
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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.
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| CVE-2015-7835 | 1 Xen | 1 Xen | 2025-04-12 | 7.2 HIGH | N/A |
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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.
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| CVE-2015-4103 | 1 Xen | 1 Xen | 2025-04-12 | 4.9 MEDIUM | N/A |
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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.
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| CVE-2014-3717 | 1 Xen | 1 Xen | 2025-04-12 | 3.3 LOW | N/A |
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Xen 4.4.x does not properly validate the load address for 64-bit ARM guest kernels, which allows local users to read system memory or cause a denial of service (crash) via a crafted kernel, which triggers a buffer overflow.
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| CVE-2015-8553 | 2 Redhat, Xen | 2 Enterprise Linux, Xen | 2025-04-12 | 2.1 LOW | 6.5 MEDIUM |
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Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.
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| CVE-2014-3714 | 1 Xen | 1 Xen | 2025-04-12 | 3.3 LOW | N/A |
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The ARM image loading functionality in Xen 4.4.x does not properly validate kernel length, which allows local users to read system memory or cause a denial of service (crash) via a crafted 32-bit ARM guest kernel in an image, which triggers a buffer overflow.
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