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Qemu » Qemu : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2016-8910 399 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The rtl8139_cplus_transmit function in hw/net/rtl8139.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) by leveraging failure to limit the ring descriptor count.
2 CVE-2016-8909 399 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The intel_hda_xfer function in hw/audio/intel-hda.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via an entry with the same value for buffer length and pointer position.
3 CVE-2016-8669 369 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.
4 CVE-2016-8668 125 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The rocker_io_writel function in hw/net/rocker/rocker.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging failure to limit DMA buffer size.
5 CVE-2016-8667 369 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The rc4030_write function in hw/dma/rc4030.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via a large interval timer reload value.
6 CVE-2016-8578 476 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.
7 CVE-2016-8577 399 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
Memory leak in the v9fs_read function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via vectors related to an I/O read operation.
8 CVE-2016-8576 399 DoS 2016-11-04 2016-11-07
1.9
None Local Medium Not required None None Partial
The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.
9 CVE-2016-7909 399 DoS 2016-10-05 2016-11-28
4.9
None Local Low Not required None None Complete
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.
10 CVE-2016-7908 399 DoS 2016-10-05 2016-11-28
2.1
None Local Low Not required None None Partial
The mcf_fec_do_tx function in hw/net/mcf_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.
11 CVE-2016-7907 20 DoS 2016-10-05 2016-11-28
2.1
None Local Low Not required None None Partial
The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags.
12 CVE-2016-7423 787 DoS 2016-10-10 2016-10-12
2.1
None Local Low Not required None None Partial
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.
13 CVE-2016-7161 119 Exec Code Overflow 2016-10-05 2016-10-05
10.0
None Remote Low Not required Complete Complete Complete
Heap-based buffer overflow in the .receive callback of xlnx.xps-ethernetlite in QEMU (aka Quick Emulator) allows attackers to execute arbitrary code on the QEMU host via a large ethlite packet.
14 CVE-2016-6351 787 DoS Exec Code 2016-09-07 2016-09-08
7.2
None Local Low Not required Complete Complete Complete
The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
15 CVE-2016-5403 399 DoS 2016-08-02 2016-11-28
4.9
None Local Low Not required None None Complete
The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.
16 CVE-2016-5338 20 DoS Exec Code 2016-06-14 2016-11-28
4.6
None Local Low Not required Partial Partial Partial
The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allow local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer.
17 CVE-2016-5337 200 +Info 2016-06-14 2016-11-28
2.1
None Local Low Not required Partial None None
The megasas_ctrl_get_info function in hw/scsi/megasas.c in QEMU allows local guest OS administrators to obtain sensitive host memory information via vectors related to reading device control information.
18 CVE-2016-5238 119 DoS Overflow 2016-06-14 2016-11-28
2.1
None Local Low Not required None None Partial
The get_cmd function in hw/scsi/esp.c in QEMU might allow local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode.
19 CVE-2016-5126 119 DoS Exec Code Overflow 2016-06-01 2016-11-28
4.6
None Local Low Not required Partial Partial Partial
Heap-based buffer overflow in the iscsi_aio_ioctl function in block/iscsi.c in QEMU allows local guest OS users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code via a crafted iSCSI asynchronous I/O ioctl call.
20 CVE-2016-5107 125 DoS 2016-09-02 2016-11-28
1.5
None Local Medium Single system None None Partial
The megasas_lookup_frame function in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds read and crash) via unspecified vectors.
21 CVE-2016-5106 787 DoS 2016-09-02 2016-09-09
1.5
None Local Medium Single system None None Partial
The megasas_dcmd_set_properties function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest administrators to cause a denial of service (out-of-bounds write access) via vectors involving a MegaRAID Firmware Interface (MFI) command.
22 CVE-2016-5105 200 +Info 2016-09-02 2016-09-09
1.9
None Local Medium Not required Partial None None
The megasas_dcmd_cfg_read function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which allows local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface (MFI) command.
23 CVE-2016-4952 125 DoS 2016-09-02 2016-09-09
1.5
None Local Medium Single system None None Partial
QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.
24 CVE-2016-4454 119 DoS Overflow +Info 2016-06-01 2016-11-28
3.2
None Local Low Single system Partial None Partial
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.
25 CVE-2016-4453 399 DoS 2016-06-01 2016-11-28
4.6
None Local Low Single system None None Complete
The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a VGA command.
26 CVE-2016-4441 119 DoS Overflow 2016-05-20 2016-11-28
2.1
None Local Low Not required None None Partial
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
27 CVE-2016-4439 119 DoS Exec Code Overflow 2016-05-20 2016-11-28
4.6
None Local Low Not required Partial Partial Partial
The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.
28 CVE-2016-4037 20 DoS 2016-05-23 2016-11-28
4.9
None Local Low Not required None None Complete
The ehci_advance_state function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular split isochronous transfer descriptor (siTD) list, a related issue to CVE-2015-8558.
29 CVE-2016-4020 200 +Info 2016-05-25 2016-11-28
2.1
None Local Low Not required Partial None None
The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).
30 CVE-2016-4002 119 DoS Exec Code Overflow Mem. Corr. 2016-04-26 2016-11-28
6.8
None Remote Medium Not required Partial Partial Partial
Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.
31 CVE-2016-4001 20 DoS Overflow 2016-05-23 2016-11-28
4.3
None Remote Medium Not required None None Partial
Buffer overflow in the stellaris_enet_receive function in hw/net/stellaris_enet.c in QEMU, when the Stellaris ethernet controller is configured to accept large packets, allows remote attackers to cause a denial of service (QEMU crash) via a large packet.
32 CVE-2016-3712 DoS Overflow 2016-05-11 2016-11-30
2.1
None Local Low Not required None None Partial
Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.
33 CVE-2016-3710 284 Exec Code 2016-05-11 2016-11-30
7.2
None Local Low Not required Complete Complete Complete
The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.
34 CVE-2016-2858 119 DoS Overflow Mem. Corr. 2016-04-07 2016-11-28
1.9
None Local Medium Not required None None Partial
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.
35 CVE-2016-2857 119 DoS Overflow 2016-04-11 2016-11-28
2.1
None Local Low Not required None None Partial
The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.
36 CVE-2016-2841 20 DoS 2016-06-16 2016-11-28
2.1
None Local Low Not required None None Partial
The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control.
37 CVE-2016-2538 189 DoS Overflow +Info 2016-06-16 2016-11-28
3.6
None Local Low Not required Partial None Partial
Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.
38 CVE-2016-2392 DoS 2016-06-16 2016-11-28
2.1
None Local Low Not required None None Partial
The is_rndis function in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 does not properly validate USB configuration descriptor objects, which allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving a remote NDIS control message packet.
39 CVE-2016-2391 DoS 2016-06-16 2016-11-28
2.1
None Local Low Not required None None Partial
The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers.
40 CVE-2016-1714 119 DoS Exec Code Overflow 2016-04-07 2016-12-02
6.9
None Local Medium Not required Complete Complete Complete
The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.
41 CVE-2016-1568 DoS Exec Code 2016-04-11 2016-12-02
9.3
None Remote Medium Not required Complete Complete Complete
Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.
42 CVE-2015-8558 20 DoS 2016-05-23 2016-05-25
4.9
None Local Low Not required None None Complete
The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.
43 CVE-2015-7512 119 DoS Exec Code Overflow 2016-01-08 2016-10-11
6.8
None Remote Medium Not required Partial Partial Partial
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.
44 CVE-2015-7295 119 DoS Overflow 2015-11-09 2016-11-28
5.0
None Remote Low Not required None None Partial
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.
45 CVE-2015-6855 264 DoS 2015-11-06 2015-11-09
10.0
None Remote Low Not required Complete Complete Complete
hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WIN_READ_NATIVE_MAX command to an empty drive, which triggers a divide-by-zero error and instance crash.
46 CVE-2015-5279 119 DoS Exec Code Overflow 2015-09-28 2016-11-28
7.2
None Local Low Not required Complete Complete Complete
Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets.
47 CVE-2015-5225 119 DoS Exec Code Overflow Mem. Corr. 2015-11-06 2015-11-09
7.2
None Local Low Not required Complete Complete Complete
Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash) or possibly execute arbitrary code on the host via unspecified vectors, related to refreshing the server display surface.
48 CVE-2015-5158 119 DoS Overflow 2016-04-11 2016-04-14
4.3
None Remote Medium Not required None None Partial
Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in a SCSI command descriptor block.
49 CVE-2015-5154 119 Exec Code Overflow 2015-08-12 2016-11-28
7.2
None Local Low Not required Complete Complete Complete
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.
50 CVE-2015-4106 284 DoS +Priv +Info 2015-06-03 2016-12-02
7.2
None Local Low Not required Complete Complete Complete
QEMU does not properly restrict write access to the PCI config space for certain PCI pass-through devices, which might allow local x86 HVM guests to gain privileges, cause a denial of service (host crash), obtain sensitive information, or possibly have other unspecified impact via unknown vectors.
Total number of vulnerabilities : 112   Page : 1 (This Page)2 3
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