CVE-2017-15119: Uncontrolled Resource Consumption

The Network Block Device NBD server in Quick Emulator QEMU before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from...

CVE-2017-2633: Buffer Copy without Checking Size of Input

An out-of-bounds memory access issue was found in Quick Emulator QEMU before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vncrefreshserversurface'. A user inside a guest could use this flaw to crash the QEMU process...

CVE-2017-18043: Integer Overflow or Wraparound

Integer overflow in the macro ROUNDUP n, d in Quick Emulator Qemu allows a user to cause a denial of service Qemu process crash...

CVE-2017-7980: Improper Restriction of Operations within the Bounds of a Memory Buffer

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-2016-9923: Use After Free

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: Missing Release of Resource after Effective Lifetime

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 'virtiogpuresourcedestroy'. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host...

CVE-2016-9907: Missing Release of Resource after Effective Lifetime

Quick Emulator Qemu built with the USB redirector usb-guest support is vulnerable to a memory leakage flaw. It could occur while destroying the USB redirector in 'usbredirhandledestroy'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host...

CVE-2016-9908: Exposure of Sensitive Information to an Unauthorized Actor

Quick Emulator Qemu built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing 'VIRTIOGPUCMDGETCAPSET' command. A guest user/process could use this flaw to leak contents of the host memory bytes...

CVE-2016-9911: Missing Release of Resource after Effective Lifetime

Quick Emulator Qemu built with the USB EHCI Emulation support is vulnerable to a memory leakage issue. It could occur while processing packet data in 'ehciinittransfer'. A guest user/process could use this issue to leak host memory, resulting in DoS for a host...