Vulnerabilities (CVE)

Filtered by vendor Qemu Subscribe
Total 421 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-8567 6 Canonical, Debian, Fedoraproject and 3 more 10 Ubuntu Linux, Debian Linux, Fedora and 7 more 2026-06-17 6.8 MEDIUM 7.7 HIGH
Memory leak in net/vmxnet3.c in QEMU allows remote attackers to cause a denial of service (memory consumption).
CVE-2015-8558 2 Debian, Qemu 2 Debian Linux, Qemu 2026-06-17 4.9 MEDIUM 5.5 MEDIUM
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.
CVE-2015-8556 1 Qemu 1 Qemu 2026-06-17 10.0 HIGH 10.0 CRITICAL
Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVE-2015-8504 2 Debian, Qemu 2 Debian Linux, Qemu 2026-06-17 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-2015-8345 2 Debian, Qemu 2 Debian Linux, Qemu 2026-06-17 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-2015-7549 1 Qemu 1 Qemu 2026-06-17 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-2015-7512 4 Debian, Oracle, Qemu and 1 more 9 Debian Linux, Linux, Qemu and 6 more 2026-06-17 6.8 MEDIUM 9.0 CRITICAL
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.
CVE-2015-7504 3 Debian, Qemu, Xen 3 Debian Linux, Qemu, Xen 2026-06-17 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-2015-7295 3 Debian, Fedoraproject, Qemu 3 Debian Linux, Fedora, Qemu 2026-06-17 5.0 MEDIUM 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-2015-6855 6 Arista, Canonical, Debian and 3 more 7 Eos, Ubuntu Linux, Debian Linux and 4 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
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.
CVE-2015-6815 7 Arista, Canonical, Fedoraproject and 4 more 11 Eos, Ubuntu Linux, Fedora and 8 more 2026-06-17 2.7 LOW 3.5 LOW
The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.
CVE-2015-5745 3 Arista, Fedoraproject, Qemu 3 Eos, Fedora, Qemu 2026-06-17 4.0 MEDIUM 6.5 MEDIUM
Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a crafted virtio control message.
CVE-2015-5279 1 Qemu 1 Qemu 2026-06-17 7.2 HIGH N/A
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.
CVE-2015-5278 4 Arista, Canonical, Fedoraproject and 1 more 4 Eos, Ubuntu Linux, Fedora and 1 more 2026-06-17 4.0 MEDIUM 6.5 MEDIUM
The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets.
CVE-2015-5239 5 Arista, Canonical, Fedoraproject and 2 more 8 Eos, Ubuntu Linux, Fedora and 5 more 2026-06-17 4.0 MEDIUM 6.5 MEDIUM
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
CVE-2015-5225 3 Fedoraproject, Qemu, Redhat 3 Fedora, Qemu, Openstack 2026-06-17 7.2 HIGH N/A
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.
CVE-2015-5158 1 Qemu 1 Qemu 2026-06-17 2.1 LOW 5.5 MEDIUM
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.
CVE-2015-5154 4 Fedoraproject, Qemu, Suse and 1 more 8 Fedora, Qemu, Linux Enterprise Debuginfo and 5 more 2026-06-17 7.2 HIGH N/A
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.
CVE-2015-4106 6 Canonical, Citrix, Debian and 3 more 8 Ubuntu Linux, Xenserver, Debian Linux and 5 more 2026-06-17 4.6 MEDIUM N/A
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.
CVE-2015-4037 1 Qemu 1 Qemu 2026-06-17 1.9 LOW N/A
The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which allows local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program.