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CVE-2016-4952

Опубликовано: 23 мая 2016
Источник: redhat
CVSS2: 3.8

Описание

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

Quick Emulator(Qemu) built with the VMWARE PVSCSI paravirtual SCSI bus emulation support is vulnerable to an OOB r/w access issue. It could occur while processing SCSI commands 'PVSCSI_CMD_SETUP_RINGS' or 'PVSCSI_CMD_SETUP_MSG_RING'. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 5kvmNot affected
Red Hat Enterprise Linux 5xenNot affected
Red Hat Enterprise Linux 6qemu-kvmNot affected
Red Hat Enterprise Linux 6qemu-kvm-rhevNot affected
Red Hat Enterprise Linux 7qemu-kvmNot affected
Red Hat Enterprise Linux 7qemu-kvm-rhevNot affected
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)qemu-kvm-rhevNot affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)qemu-kvm-rhevNot affected
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)qemu-kvm-rhevNot affected
Red Hat OpenStack Platform 8 (Liberty)qemu-kvm-rhevNot affected

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Дополнительная информация

Статус:

Moderate
Дефект:
CWE-787
https://bugzilla.redhat.com/show_bug.cgi?id=1334384Qemu: scsi: pvscsi: out-of-bounds access issue in pvsci_ring_init_msg/data routines

3.8 Low

CVSS2

Связанные уязвимости

CVSS3: 6
ubuntu
больше 9 лет назад

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

CVSS3: 6
nvd
больше 9 лет назад

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

CVSS3: 6
debian
больше 9 лет назад

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual S ...

CVSS3: 6
github
больше 3 лет назад

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

fstec
больше 9 лет назад

Уязвимость эмулятора аппаратного обеспечения QEMU, позволяющая нарушителю вызвать отказ в обслуживании

3.8 Low

CVSS2