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Search Results (429 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2016-2858 3 Canonical, Debian, Qemu 3 Ubuntu Linux, Debian Linux, Qemu 2025-04-12 6.5 Medium
QEMU, when built with the Pseudo Random Number Generator (PRNG) back-end support, allows local guest OS users to cause a denial of service (process crash) via an entropy request, which triggers arbitrary stack based allocation and memory corruption.
CVE-2015-1779 6 Canonical, Debian, Fedoraproject and 3 more 12 Ubuntu Linux, Debian Linux, Fedora and 9 more 2025-04-12 8.6 High
The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.
CVE-2015-7295 3 Debian, Fedoraproject, Qemu 3 Debian Linux, Fedora, Qemu 2025-04-12 N/A
hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.
CVE-2016-7423 1 Qemu 1 Qemu 2025-04-12 4.4 Medium
The mptsas_process_scsi_io_request function in QEMU (aka Quick Emulator), when built with LSI SAS1068 Host Bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors involving MPTSASRequest objects.
CVE-2016-9102 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-12 6.0 Medium
Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.
CVE-2014-2894 2 Qemu, Redhat 3 Qemu, Enterprise Linux, Openstack 2025-04-12 N/A
Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.
CVE-2016-6834 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-12 4.4 Medium
The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.
CVE-2016-7116 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-12 6.0 Medium
Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.
CVE-2015-3209 8 Arista, Canonical, Debian and 5 more 20 Eos, Ubuntu Linux, Debian Linux and 17 more 2025-04-12 N/A
Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted packet with TXSTATUS_DEVICEOWNS set.
CVE-2011-2212 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-11 N/A
Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."
CVE-2012-2652 1 Qemu 1 Qemu 2025-04-11 N/A
The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node, which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.
CVE-2012-3515 7 Canonical, Debian, Opensuse and 4 more 15 Ubuntu Linux, Debian Linux, Opensuse and 12 more 2025-04-11 N/A
Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."
CVE-2012-6075 7 Canonical, Debian, Fedoraproject and 4 more 15 Ubuntu Linux, Debian Linux, Fedora and 12 more 2025-04-11 N/A
Buffer overflow in the e1000_receive function in the e1000 device driver (hw/e1000.c) in QEMU 1.3.0-rc2 and other versions, when the SBP and LPE flags are disabled, allows remote attackers to cause a denial of service (guest OS crash) and possibly execute arbitrary guest code via a large packet.
CVE-2013-2007 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-11 N/A
The qemu guest agent in Qemu 1.4.1 and earlier, as used by Xen, when started in daemon mode, uses weak permissions for certain files, which allows local users to read and write to these files.
CVE-2011-2527 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-11 N/A
The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.
CVE-2011-1751 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-11 N/A
The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm does not check if a device is hotpluggable before unplugging the PCI-ISA bridge, which allows privileged guest users to cause a denial of service (guest crash) and possibly execute arbitrary code by sending a crafted value to the 0xae08 (PCI_EJ_BASE) I/O port, which leads to a use-after-free related to "active qemu timers."
CVE-2011-1750 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-11 N/A
Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.
CVE-2013-4344 4 Canonical, Opensuse, Qemu and 1 more 8 Ubuntu Linux, Opensuse, Qemu and 5 more 2025-04-11 N/A
Buffer overflow in the SCSI implementation in QEMU, as used in Xen, when a SCSI controller has more than 256 attached devices, allows local users to gain privileges via a small transfer buffer in a REPORT LUNS command.
CVE-2013-4375 2 Qemu, Xen 2 Qemu, Xen 2025-04-11 N/A
The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.
CVE-2013-4377 1 Qemu 1 Qemu 2025-04-11 N/A
Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.