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SUSE: CVE-2021-20203: SUSE Linux Security Advisory

Severity:
2
CVSS:
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published:
02/25/2021
Created:
03/04/2021
Added:
03/02/2021
Modified:
03/12/2021

Description:

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.'

Solution(s)


  • suse-upgrade-qemu
  • suse-upgrade-qemu-arm
  • suse-upgrade-qemu-arm-debuginfo
  • suse-upgrade-qemu-audio-alsa
  • suse-upgrade-qemu-audio-alsa-debuginfo
  • suse-upgrade-qemu-audio-pa
  • suse-upgrade-qemu-audio-pa-debuginfo
  • suse-upgrade-qemu-audio-sdl
  • suse-upgrade-qemu-audio-sdl-debuginfo
  • suse-upgrade-qemu-block-curl
  • suse-upgrade-qemu-block-curl-debuginfo
  • suse-upgrade-qemu-block-dmg
  • suse-upgrade-qemu-block-dmg-debuginfo
  • suse-upgrade-qemu-block-gluster
  • suse-upgrade-qemu-block-gluster-debuginfo
  • suse-upgrade-qemu-block-iscsi
  • suse-upgrade-qemu-block-iscsi-debuginfo
  • suse-upgrade-qemu-block-nfs
  • suse-upgrade-qemu-block-nfs-debuginfo
  • suse-upgrade-qemu-block-rbd
  • suse-upgrade-qemu-block-rbd-debuginfo
  • suse-upgrade-qemu-block-ssh
  • suse-upgrade-qemu-block-ssh-debuginfo
  • suse-upgrade-qemu-debuginfo
  • suse-upgrade-qemu-debugsource
  • suse-upgrade-qemu-extra
  • suse-upgrade-qemu-extra-debuginfo
  • suse-upgrade-qemu-guest-agent
  • suse-upgrade-qemu-guest-agent-debuginfo
  • suse-upgrade-qemu-ipxe
  • suse-upgrade-qemu-ksm
  • suse-upgrade-qemu-kvm
  • suse-upgrade-qemu-lang
  • suse-upgrade-qemu-linux-user
  • suse-upgrade-qemu-linux-user-debuginfo
  • suse-upgrade-qemu-linux-user-debugsource
  • suse-upgrade-qemu-microvm
  • suse-upgrade-qemu-ppc
  • suse-upgrade-qemu-ppc-debuginfo
  • suse-upgrade-qemu-s390
  • suse-upgrade-qemu-s390-debuginfo
  • suse-upgrade-qemu-seabios
  • suse-upgrade-qemu-sgabios
  • suse-upgrade-qemu-testsuite
  • suse-upgrade-qemu-tools
  • suse-upgrade-qemu-tools-debuginfo
  • suse-upgrade-qemu-ui-curses
  • suse-upgrade-qemu-ui-curses-debuginfo
  • suse-upgrade-qemu-ui-gtk
  • suse-upgrade-qemu-ui-gtk-debuginfo
  • suse-upgrade-qemu-ui-sdl
  • suse-upgrade-qemu-ui-sdl-debuginfo
  • suse-upgrade-qemu-ui-spice-app
  • suse-upgrade-qemu-ui-spice-app-debuginfo
  • suse-upgrade-qemu-vgabios
  • suse-upgrade-qemu-vhost-user-gpu
  • suse-upgrade-qemu-vhost-user-gpu-debuginfo
  • suse-upgrade-qemu-x86
  • suse-upgrade-qemu-x86-debuginfo

Reference(s)

  • ELSA-2021-0793
  • CVE-2021-26701
  • SUSE-SU-2021:0521-1
  • CVE-2021-20203
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