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201 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2017-8379 | 3 Debian, Qemu, Redhat | 3 Debian Linux, Qemu, Openstack | 2021-08-04 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in the keyboard input event handlers support in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) by rapidly generating large keyboard events. | |||||
| CVE-2016-7422 | 3 Opensuse, Qemu, Redhat | 5 Leap, Qemu, Enterprise Linux and 2 more | 2021-08-04 | 2.1 LOW | 6.0 MEDIUM |
| The virtqueue_map_desc function in hw/virtio/virtio.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via a large I/O descriptor buffer length value. | |||||
| CVE-2020-1711 | 4 Debian, Opensuse, Qemu and 1 more | 5 Debian Linux, Leap, Qemu and 2 more | 2021-08-04 | 6.0 MEDIUM | 6.0 MEDIUM |
| An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host. | |||||
| CVE-2020-24352 | 1 Qemu | 1 Qemu | 2021-07-21 | 2.1 LOW | 5.5 MEDIUM |
| An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service. | |||||
| CVE-2020-35506 | 1 Qemu | 1 Qemu | 2021-06-08 | 4.6 MEDIUM | 6.7 MEDIUM |
| A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process. | |||||
| CVE-2021-3507 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2021-06-01 | 3.6 LOW | 6.1 MEDIUM |
| A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory. | |||||
| CVE-2017-5957 | 2 Qemu, Virglrenderer Project | 2 Qemu, Virglrenderer | 2021-05-19 | 2.1 LOW | 5.5 MEDIUM |
| Stack-based buffer overflow in the vrend_decode_set_framebuffer_state function in vrend_decode.c in virglrenderer before 926b9b3460a48f6454d8bbe9e44313d86a65447f, as used in Quick Emulator (QEMU), allows a local guest users to cause a denial of service (application crash) via the "nr_cbufs" argument. | |||||
| CVE-2020-17380 | 1 Qemu | 1 Qemu | 2021-04-11 | 4.6 MEDIUM | 6.3 MEDIUM |
| A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host. | |||||
| CVE-2019-20808 | 1 Qemu | 1 Qemu | 2021-03-31 | 2.1 LOW | 6.5 MEDIUM |
| In QEMU 4.1.0, an out-of-bounds read flaw was found in the ATI VGA implementation. It occurs in the ati_cursor_define() routine while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service. | |||||
| CVE-2020-25085 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2021-03-15 | 4.4 MEDIUM | 5.0 MEDIUM |
| QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case. | |||||
| CVE-2020-28916 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2021-02-24 | 2.1 LOW | 5.5 MEDIUM |
| hw/net/e1000e_core.c in QEMU 5.0.0 has an infinite loop via an RX descriptor with a NULL buffer address. | |||||
| CVE-2020-7039 | 4 Debian, Libslirp Project, Opensuse and 1 more | 4 Debian Linux, Libslirp, Leap and 1 more | 2021-02-14 | 6.8 MEDIUM | 5.6 MEDIUM |
| tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. | |||||
| CVE-2020-27821 | 1 Qemu | 1 Qemu | 2021-01-15 | 2.1 LOW | 6.0 MEDIUM |
| A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0. | |||||
| CVE-2020-13765 | 1 Qemu | 1 Qemu | 2021-01-04 | 6.8 MEDIUM | 5.6 MEDIUM |
| rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation. | |||||
| CVE-2020-15863 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2021-01-04 | 4.4 MEDIUM | 5.3 MEDIUM |
| hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555. | |||||
| CVE-2020-13791 | 1 Qemu | 1 Qemu | 2020-12-14 | 2.1 LOW | 5.5 MEDIUM |
| hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space. | |||||
| CVE-2020-13754 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2020-12-14 | 4.6 MEDIUM | 6.7 MEDIUM |
| hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation. | |||||
| CVE-2020-13253 | 3 Canonical, Debian, Qemu | 3 Ubuntu Linux, Debian Linux, Qemu | 2020-12-14 | 2.1 LOW | 5.5 MEDIUM |
| sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process. | |||||
| CVE-2018-19665 | 2 Opensuse, Qemu | 2 Leap, Qemu | 2020-12-14 | 2.7 LOW | 5.7 MEDIUM |
| The Bluetooth subsystem in QEMU mishandles negative values for length variables, leading to memory corruption. | |||||
| CVE-2016-9923 | 1 Qemu | 1 Qemu | 2020-12-14 | 2.1 LOW | 5.5 MEDIUM |
| Quick Emulator (Qemu) built with the 'chardev' backend support is vulnerable to a use after free issue. It could occur while hotplug and unplugging the device in the guest. A guest user/process could use this flaw to crash a Qemu process on the host resulting in DoS. | |||||
| CVE-2016-9912 | 1 Qemu | 1 Qemu | 2020-12-14 | 4.9 MEDIUM | 6.5 MEDIUM |
| Quick Emulator (Qemu) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while destroying gpu resource object in 'virtio_gpu_resource_destroy'. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host. | |||||
| CVE-2016-9101 | 3 Debian, Opensuse, Qemu | 3 Debian Linux, Leap, Qemu | 2020-12-14 | 2.1 LOW | 6.0 MEDIUM |
| Memory leak in hw/net/eepro100.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by repeatedly unplugging an i8255x (PRO100) NIC device. | |||||
| CVE-2015-8345 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-12-14 | 2.1 LOW | 6.5 MEDIUM |
| The eepro100 emulator in QEMU qemu-kvm blank allows local guest users to cause a denial of service (application crash and infinite loop) via vectors involving the command block list. | |||||
| CVE-2020-25624 | 1 Qemu | 1 Qemu | 2020-12-10 | 4.4 MEDIUM | 5.0 MEDIUM |
| hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via values obtained from the host controller driver. | |||||
| CVE-2018-16872 | 5 Canonical, Debian, Fedoraproject and 2 more | 5 Ubuntu Linux, Debian Linux, Fedora and 2 more | 2020-12-04 | 3.5 LOW | 5.3 MEDIUM |
| A flaw was found in qemu Media Transfer Protocol (MTP). The code opening files in usb_mtp_get_object and usb_mtp_get_partial_object and directories in usb_mtp_object_readdir doesn't consider that the underlying filesystem may have changed since the time lstat(2) was called in usb_mtp_object_alloc, a classical TOCTTOU problem. An attacker with write access to the host filesystem shared with a guest can use this property to navigate the host filesystem in the context of the QEMU process and read any file the QEMU process has access to. Access to the filesystem may be local or via a network share protocol such as CIFS. | |||||
| CVE-2020-14364 | 4 Debian, Fedoraproject, Qemu and 1 more | 5 Debian Linux, Fedora, Qemu and 2 more | 2020-11-11 | 4.4 MEDIUM | 5.0 MEDIUM |
| An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host. | |||||
| CVE-2020-10761 | 2 Qemu, Redhat | 2 Qemu, Enterprise Linux | 2020-11-11 | 4.0 MEDIUM | 5.0 MEDIUM |
| An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service. | |||||
| CVE-2016-9845 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 6.5 MEDIUM |
| QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing 'VIRTIO_GPU_CMD_GET_CAPSET_INFO' command. A guest user/process could use this flaw to leak contents of the host memory bytes. | |||||
| CVE-2017-5857 | 1 Qemu | 1 Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in the virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_UNREF commands sent without detaching the backing storage beforehand. | |||||
| CVE-2017-5526 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in hw/audio/es1370.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations. | |||||
| CVE-2016-9916 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in hw/9pfs/9p-proxy.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in the proxy backend. | |||||
| CVE-2017-9310 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 1.9 LOW | 5.6 MEDIUM |
| QEMU (aka Quick Emulator), when built with the e1000e NIC emulation support, allows local guest OS privileged users to cause a denial of service (infinite loop) via vectors related to setting the initial receive / transmit descriptor head (TDH/RDH) outside the allocated descriptor buffer. | |||||
| CVE-2016-10028 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0. | |||||
| CVE-2016-2197 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS. | |||||
| CVE-2017-9374 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| Memory leak in QEMU (aka Quick Emulator), when built with USB EHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the device. | |||||
| CVE-2016-9914 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local privileged guest OS users to cause a denial of service (host memory consumption and possibly QEMU process crash) by leveraging a missing cleanup operation in FileOperations. | |||||
| CVE-2017-5667 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 2.1 LOW | 6.5 MEDIUM |
| The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds heap access and crash) or execute arbitrary code on the QEMU host via vectors involving the data transfer length. | |||||
| CVE-2016-10155 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 4.9 MEDIUM | 6.0 MEDIUM |
| Memory leak in hw/watchdog/wdt_i6300esb.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations. | |||||
| CVE-2017-10806 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| Stack-based buffer overflow in hw/usb/redirect.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU process crash) via vectors related to logging debug messages. | |||||
| CVE-2017-9060 | 1 Qemu | 1 Qemu | 2020-11-10 | 4.9 MEDIUM | 5.5 MEDIUM |
| Memory leak in the virtio_gpu_set_scanout function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (memory consumption) via a large number of "VIRTIO_GPU_CMD_SET_SCANOUT:" commands. | |||||
| CVE-2015-8818 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors. | |||||
| CVE-2017-5898 | 2 Qemu, Suse | 5 Qemu, Linux Enterprise Desktop, Linux Enterprise Server and 2 more | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| Integer overflow in the emulated_apdu_from_guest function in usb/dev-smartcard-reader.c in Quick Emulator (Qemu), when built with the CCID Card device emulator support, allows local users to cause a denial of service (application crash) via a large Application Protocol Data Units (APDU) unit. | |||||
| CVE-2016-1981 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| QEMU (aka Quick Emulator) built with the e1000 NIC emulation support is vulnerable to an infinite loop issue. It could occur while processing data via transmit or receive descriptors, provided the initial receive/transmit descriptor head (TDH/RDH) is set outside the allocated descriptor buffer. A privileged user inside guest could use this flaw to crash the QEMU instance resulting in DoS. | |||||
| CVE-2016-9922 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values. | |||||
| CVE-2016-7909 | 2 Debian, Qemu | 2 Debian Linux, Qemu | 2020-11-10 | 4.9 MEDIUM | 4.4 MEDIUM |
| The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0. | |||||
| CVE-2018-7858 | 4 Canonical, Opensuse, Qemu and 1 more | 9 Ubuntu Linux, Leap, Qemu and 6 more | 2020-11-10 | 2.1 LOW | 5.5 MEDIUM |
| Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display. | |||||
| CVE-2016-9846 | 1 Qemu | 1 Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host. | |||||
| CVE-2017-5578 | 1 Qemu | 1 Qemu | 2020-11-10 | 4.9 MEDIUM | 6.5 MEDIUM |
| Memory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands. | |||||
| CVE-2015-8701 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 6.5 MEDIUM |
| QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error. It happens while processing transmit (tx) descriptors in 'tx_consume' routine, if a descriptor was to have more than allowed (ROCKER_TX_FRAGS_MAX=16) fragments. A privileged user inside guest could use this flaw to cause memory leakage on the host or crash the QEMU process instance resulting in DoS issue. | |||||
| CVE-2017-15289 | 1 Qemu | 1 Qemu | 2020-11-10 | 2.1 LOW | 6.0 MEDIUM |
| The mode4and5 write functions in hw/display/cirrus_vga.c in Qemu allow local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation. | |||||