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openSUSE-SU-2021:3604-1

Опубликовано: 03 нояб. 2021
Источник: suse-cvrf

Описание

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • CVE-2021-3713: Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702)
  • CVE-2021-3748: Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938)

Non-security issues fixed:

  • Add transfer length item in block limits page of scsi vpd (bsc#1190425)
  • Fix qemu crash while deleting xen-block (bsc#1189234)

Список пакетов

openSUSE Leap 15.3
qemu-s390-4.2.1-11.31.3

Описание

An out-of-bounds write flaw was found in the UAS (USB Attached SCSI) device emulation of QEMU in versions prior to 6.2.0-rc0. The device uses the guest supplied stream number unchecked, which can lead to out-of-bounds access to the UASDevice->data3 and UASDevice->status3 fields. A malicious guest user could use this flaw to crash QEMU or potentially achieve code execution with the privileges of the QEMU process on the host.


Затронутые продукты
openSUSE Leap 15.3:qemu-s390-4.2.1-11.31.3

Ссылки

Описание

A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.


Затронутые продукты
openSUSE Leap 15.3:qemu-s390-4.2.1-11.31.3

Ссылки
Уязвимость openSUSE-SU-2021:3604-1