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Alma Linux: CVE-2021-3416: Moderate: virt:rhel and virt-devel:rhel security and bug fix update (ALSA-2021-3061)

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Alma Linux: CVE-2021-3416: Moderate: virt:rhel and virt-devel:rhel security and bug fix update (ALSA-2021-3061)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
03/18/2021
Created
05/05/2022
Added
05/04/2022
Modified
05/20/2022

Description

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.

Solution(s)

  • alma-upgrade-libguestfs-winsupport
  • alma-upgrade-libiscsi
  • alma-upgrade-libiscsi-devel
  • alma-upgrade-libiscsi-utils
  • alma-upgrade-libnbd
  • alma-upgrade-libnbd-devel
  • alma-upgrade-libvirt-dbus
  • alma-upgrade-nbdfuse
  • alma-upgrade-nbdkit
  • alma-upgrade-nbdkit-bash-completion
  • alma-upgrade-nbdkit-basic-filters
  • alma-upgrade-nbdkit-basic-plugins
  • alma-upgrade-nbdkit-curl-plugin
  • alma-upgrade-nbdkit-devel
  • alma-upgrade-nbdkit-example-plugins
  • alma-upgrade-nbdkit-gzip-plugin
  • alma-upgrade-nbdkit-linuxdisk-plugin
  • alma-upgrade-nbdkit-python-plugin
  • alma-upgrade-nbdkit-server
  • alma-upgrade-nbdkit-ssh-plugin
  • alma-upgrade-nbdkit-vddk-plugin
  • alma-upgrade-nbdkit-xz-filter
  • alma-upgrade-netcf
  • alma-upgrade-netcf-devel
  • alma-upgrade-netcf-libs
  • alma-upgrade-perl-Sys-Virt
  • alma-upgrade-python3-libnbd
  • alma-upgrade-python3-libvirt
  • alma-upgrade-seabios
  • alma-upgrade-seabios-bin
  • alma-upgrade-seavgabios-bin
  • alma-upgrade-sgabios
  • alma-upgrade-sgabios-bin
  • alma-upgrade-supermin
  • alma-upgrade-supermin-devel

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