Vulnerabilities (CVE)

Filtered by vendor Qemu Subscribe
Total 421 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
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-2017-5579 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 4.9 MEDIUM 6.5 MEDIUM
Memory leak in the serial_exit_core function in hw/char/serial.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-2015-8556 1 Qemu 1 Qemu 2025-04-20 10.0 HIGH 10.0 CRITICAL
Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2017-11434 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 2.1 LOW 5.5 MEDIUM
The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.
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-2015-7504 3 Debian, Qemu, Xen 3 Debian Linux, Qemu, Xen 2025-04-20 4.6 MEDIUM 8.8 HIGH
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
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-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-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-2017-10806 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 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-2017-8284 1 Qemu 1 Qemu 2025-04-20 6.9 MEDIUM 7.0 HIGH
The disas_insn function in target/i386/translate.c in QEMU before 2.9.0, when TCG mode without hardware acceleration is used, does not limit the instruction size, which allows local users to gain privileges by creating a modified basic block that injects code into a setuid program, as demonstrated by procmail. NOTE: the vendor has stated "this bug does not violate any security guarantees QEMU makes.
CVE-2015-7549 1 Qemu 1 Qemu 2025-04-20 2.1 LOW 6.0 MEDIUM
The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
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-2017-9310 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 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-2017-7980 4 Canonical, Debian, Qemu and 1 more 12 Ubuntu Linux, Debian Linux, Qemu and 9 more 2025-04-20 4.6 MEDIUM 7.8 HIGH
Heap-based buffer overflow in Cirrus CLGD 54xx VGA Emulator in Quick Emulator (Qemu) 2.8 and earlier allows local guest OS users to execute arbitrary code or cause a denial of service (crash) via vectors related to a VNC client updating its display after a VGA operation.
CVE-2017-8380 1 Qemu 1 Qemu 2025-04-20 7.5 HIGH 9.8 CRITICAL
Buffer overflow in the "megasas_mmio_write" function in Qemu 2.9.0 allows remote attackers to have unspecified impact via unknown vectors.
CVE-2014-0146 1 Qemu 1 Qemu 2025-04-20 1.9 LOW 5.5 MEDIUM
The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
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-2017-8112 2 Debian, Qemu 2 Debian Linux, Qemu 2025-04-20 4.9 MEDIUM 6.5 MEDIUM
hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and CPU consumption) via the message ring page count.
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.