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CVSS: 7.8EPSS: 0%CPEs: 23EXPL: 0

03 Jun 2015 — 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. QEMU no restringe correctamente el acceso a escritura al espacio PCI config para ciertos dispositivos PCI pass-through, lo que podría permitir a invitados x86 HVM locales obtener privilegios, causar una denegación... • http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html • CWE-863: Incorrect Authorization •

CVSS: 10.0EPSS: 0%CPEs: 10EXPL: 3

13 May 2015 — The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM. Floppy Disk Controller (FDC) en QEMU, utilizado en Xen 4.5.x y anteriores y KVM, permite a usuarios locales invitados causar una denegación de servicio (escritura fuera de rango y caída del i... • https://www.exploit-db.com/exploits/37053 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 8.6EPSS: 1%CPEs: 30EXPL: 0

27 Apr 2015 — The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section. El decodificador de frames websocket VNC en QEMU permite a atacantes remotos causar una denegación de servicio (consumo de CPU y memoria) a través de una gran (1) carga útil websocket o (2) sección de cabeceras HTTP It was found that the QEMU's websocket frame decoder processed incoming frames without limiting resources used ... • http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html • CWE-400: Uncontrolled Resource Consumption CWE-770: Allocation of Resources Without Limits or Throttling •

CVSS: 7.8EPSS: 0%CPEs: 43EXPL: 0

21 Apr 2015 — The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions. Las interfaces (1) BMDMA y (2) AHCI HBA en la funcionalidad IDE en QEMU 1.0 hasta 2.1.3 tienen múltiples interpretaciones del valo... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3251bdcf1c67427d964517053c3d185b46e618e8 • CWE-399: Resource Management Errors •

CVSS: 7.7EPSS: 5%CPEs: 15EXPL: 0

11 Dec 2014 — The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data. La función host_from_stream_offset en arch_init.c en QEMU, cuando carga RAM durante la migración, permite a atacantes remotos ejecutar código arbitrario a través de un valor (1) offset o (2) length manipulado en datos savevm. It was found that certain values that were read when loading RAM during migrati... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=0be839a2701369f669532ea5884c15bead1c6e08 • CWE-20: Improper Input Validation CWE-122: Heap-based Buffer Overflow •

CVSS: 7.7EPSS: 0%CPEs: 8EXPL: 0

04 Dec 2014 — Heap-based buffer overflow in the Cirrus VGA emulator (hw/display/cirrus_vga.c) in QEMU before 2.2.0 allows local guest users to execute arbitrary code via vectors related to blit regions. NOTE: this vulnerability exists because an incomplete fix for CVE-2007-1320. Desbordamiento de buffer basado en memoria dinámica en el emulador Cirrus VGA (hw/display/cirrus_vga.c) en QEMU anterior a 2.2.0 permite a usuarios locales invotados ejecutar código arbitrario a través de vectores relacionados con las regiones bl... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bf25983345ca44aec3dd92c57142be45452bd38a • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 0%CPEs: 5EXPL: 0

13 Nov 2014 — Off-by-one error in the pci_read function in the ACPI PCI hotplug interface (hw/acpi/pcihp.c) in QEMU allows local guest users to obtain sensitive information and have other unspecified impact related to a crafted PCI device that triggers memory corruption. Error de superación de límite (off-by-one) en la función pci_read en ACPI PCI interfaz hotplug (hw/acpi/pcihp.c) en QEMU permite a usuarios locales invitados obtener información sensible y tener otro impacto no especificado relacionado con un dispositivo... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa365d7cd11185237471823a5a33d36765454e16 • CWE-193: Off-by-one Error •

CVSS: 7.5EPSS: 46%CPEs: 22EXPL: 0

07 Nov 2014 — The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value. La función set_pixel_format en ui/vnc.c en QEMU permite a atacantes remotos causar una denegación de servicio (caída) a través de valores pequeños de bytes_per_pixel. An uninitialized data structure use flaw was found in the way the set_pixel_format() function sanitized the value of bits_per_pixel. An attacker able to access a guest's VNC console could use this fl... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829 • CWE-20: Improper Input Validation •

CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0

07 Nov 2014 — The vmware-vga driver (hw/display/vmware_vga.c) in QEMU allows local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling. El driver vmware-vga (hw/display/vmware_vga.c) en QEMU permite a usuarios locales invitados escribir en la localizaciones de la memoria en qemu y ganar privilegios a través de parámetros sin especificar relacionados con la manipulación del rectángulo. Sibiao Luo discovered that QEMU incorrectly handled device hot-unpl... • http://secunia.com/advisories/60923 • CWE-269: Improper Privilege Management •

CVSS: 7.5EPSS: 0%CPEs: 25EXPL: 0

06 Oct 2014 — The VGA emulator in QEMU allows local guest users to read host memory by setting the display to a high resolution. El emulador VGA en QEMU permite a usuarios locales invitados leer la memoria del anfitrión mediante la configuración de la pantalla a una resolución alta. An information leak flaw was found in the way QEMU's VGA emulator accessed frame buffer memory for high resolution displays. A privileged guest user could use this flaw to leak memory contents of the host to the guest by setting the display t... • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ab9509cceabef28071e41bdfa073083859c949a7 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •