CVSS: 5.0EPSS: 0%CPEs: 6EXPL: 0CVE-2016-2391
https://notcve.org/view.php?id=CVE-2016-2391
The ohci_bus_start function in the USB OHCI emulation support (hw/usb/hcd-ohci.c) in QEMU allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors related to multiple eof_timers. La función ohci_bus_start en el suporte de emulación USB OHCI (hw/usb/hcd-ohci.c) en QEMU permite a administradores locales del SO invitado provocar una denegación de servicio (referencia a puntero NULL y caída del proceso QEMU) a través de vectores relacionados con temporizadores eof múltiples. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=fa1298c2d623522eda7b4f1f721fcb935abb7360 http://www.openwall.com/lists/oss-security/2016/02/16/2 http://www.securityfocus.com/bid/83263 http://www.ubuntu.com/usn/USN-2974-1 https://bugzilla.redhat.com/show_bug.cgi?id=1304794 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03374.html • CWE-476: NULL Pointer Dereference •
CVSS: 8.6EPSS: 3%CPEs: 11EXPL: 0CVE-2016-4001
https://notcve.org/view.php?id=CVE-2016-4001
Buffer overflow in the stellaris_enet_receive function in hw/net/stellaris_enet.c in QEMU, when the Stellaris ethernet controller is configured to accept large packets, allows remote attackers to cause a denial of service (QEMU crash) via a large packet. Desbordamiento de buffer en la función stellaris_enet_receive en hw/net/stellaris_enet.c en QEMU, cuando el controlador ethernet Stellaris está configurado para aceptar paquetes grandes, permite a atacantes remotos provocar una denegación de servicio (caída de QEMU) a través de un paquete grande. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3a15cc0e1ee7168db0782133d2607a6bfa422d66 http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html http://www.openwall.com/lists/oss-security/2016/04/11/4 http://www.openwall.com/lists/oss-security/2016/04/12/6 http://www.securityfocus.com/bid/85976 http://www.ubun • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 6.5EPSS: 0%CPEs: 26EXPL: 0CVE-2016-4020 – Qemu: i386: leakage of stack memory to guest in kvmvapic.c
https://notcve.org/view.php?id=CVE-2016-4020
The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR). La función patch_instruction en hw/i386/kvmvapic.c en QEMU no inicializa la variable imm32, lo que permite a administradores locales del SO invitado obtener información sensible de la memoria de pila del anfitrión accediendo al Task Priority Register (TPR). An information-exposure flaw was found in Quick Emulator (QEMU) in Task Priority Register (TPR) optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=691a02e2ce0c413236a78dee6f2651c937b09fb0 http://www.securityfocus.com/bid/86067 http://www.ubuntu.com/usn/USN-2974-1 https://access.redhat.com/errata/RHSA-2017:1856 https://access.redhat.com/errata/RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2408 https://bugzilla.redhat.com/show_bug.cgi?id=1313686 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016& • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 6.0EPSS: 0%CPEs: 5EXPL: 0CVE-2016-2841
https://notcve.org/view.php?id=CVE-2016-2841
The ne2000_receive function in the NE2000 NIC emulation support (hw/net/ne2000.c) in QEMU before 2.5.1 allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via crafted values for the PSTART and PSTOP registers, involving ring buffer control. La función ne2000_receive en el soporte de emulación NE2000 NIC (hw/net/ne2000.c) en QEMU en versiones anteriores a 2.5.1 permite a administradores locales del SO invitado provocar una denegación de servicio (bucle infinito y caída del proceso QEMU) a través de valores manipulados para los registros PSTART y PSTOP, involucrando control de anillo de buffer. • http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=415ab35a441eca767d033a2702223e785b9d5190 http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html http://www.openwall.com/lists/oss-security/2016/03/02/8 http://www.securityfocus.com/bid/84028 http://www.ubuntu.com/usn/USN-2974-1 https://bugzilla.redhat.com/show_bug.cgi?id=1303106 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg06126.h • CWE-20: Improper Input Validation •
CVSS: 5.5EPSS: 0%CPEs: 32EXPL: 0CVE-2016-3712 – qemu-kvm: Out-of-bounds read when creating weird vga screen surface
https://notcve.org/view.php?id=CVE-2016-3712
Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode. Desbordamiento de entero en el módulo VGA en QEMU permite a usuarios de SO invitado locales provocar una denegación de servicio (lectura fuera de límites y caída de proceso QEMU) editando registros VGA en modo VBE. An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance. • http://rhn.redhat.com/errata/RHSA-2016-2585.html http://rhn.redhat.com/errata/RHSA-2017-0621.html http://support.citrix.com/article/CTX212736 http://www.debian.org/security/2016/dsa-3573 http://www.openwall.com/lists/oss-security/2016/05/09/4 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/90314 http://www.securitytracker.com/id/1035794 http://www.ubuntu.com/usn/USN-2974-1 http://xenbits.xen.org/ • CWE-125: Out-of-bounds Read CWE-190: Integer Overflow or Wraparound •