Vulnerabilities (CVE)

Filtered by vendor Qemu Subscribe
Filtered by product Qemu
Total 415 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2017-17381 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 2.1 LOW 6.5 MEDIUM
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
CVE-2017-13711 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 5.0 MEDIUM 7.5 HIGH
Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.
CVE-2017-15268 1 Qemu 1 Qemu 2025-04-20 5.0 MEDIUM 7.5 HIGH
Qemu through 2.10.0 allows remote attackers to cause a memory leak by triggering slow data-channel read operations, related to io/channel-websock.c.
CVE-2017-7377 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 2.1 LOW 6.0 MEDIUM
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
CVE-2017-7718 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 2.1 LOW 5.5 MEDIUM
hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.
CVE-2017-5856 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 4.9 MEDIUM 6.5 MEDIUM
Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.
CVE-2017-9503 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 1.9 LOW 5.5 MEDIUM
QEMU (aka Quick Emulator), when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving megasas command processing.
CVE-2017-9373 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 1.9 LOW 5.5 MEDIUM
Memory leak in QEMU (aka Quick Emulator), when built with IDE AHCI Emulation support, allows local guest OS privileged users to cause a denial of service (memory consumption) by repeatedly hot-unplugging the AHCI device.
CVE-2017-5525 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 4.9 MEDIUM 6.5 MEDIUM
Memory leak in hw/audio/ac97.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-2017-13673 1 Qemu 1 Qemu 2025-04-20 4.0 MEDIUM 6.5 MEDIUM
The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function.
CVE-2017-8379 3 Debian, Qemu, Redhat 3 Debian Linux, Qemu, Openstack 2025-04-20 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-2015-8666 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 3.3 LOW 7.9 HIGH
Heap-based buffer overflow in QEMU, when built with the Q35-chipset-based PC system emulator.
CVE-2017-16845 3 Canonical, Debian, Qemu 3 Ubuntu Linux, Debian Linux, Qemu 2025-04-20 6.4 MEDIUM 10.0 CRITICAL
hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.
CVE-2017-5973 3 Debian, Qemu, Redhat 5 Debian Linux, Qemu, Enterprise Linux and 2 more 2025-04-20 2.1 LOW 5.5 MEDIUM
The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.
CVE-2014-0143 2 Qemu, Redhat 2 Qemu, Enterprise Linux 2025-04-20 4.4 MEDIUM 7.0 HIGH
Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.
CVE-2015-8504 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 3.5 LOW 6.5 MEDIUM
Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.
CVE-2016-10028 1 Qemu 1 Qemu 2025-04-20 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-2015-8619 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 5.0 MEDIUM 7.5 HIGH
The Human Monitor Interface support in QEMU allows remote attackers to cause a denial of service (out-of-bounds write and application crash).
CVE-2016-9922 1 Qemu 1 Qemu 2025-04-20 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-2014-0142 1 Qemu 1 Qemu 2025-04-20 2.1 LOW 5.5 MEDIUM
QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.