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CVE-2021-3546

Published: 2 June 2021

An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.

Priority

Medium

CVSS 3 base score: 8.2

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal
Released (1:4.2-3ubuntu6.17)
groovy
Released (1:5.0-5ubuntu9.9)
hirsute
Released (1:5.2+dfsg-9ubuntu3.1)
impish
Released (1:6.0+dfsg-2expubuntu1.2)
jammy
Released (1:6.2+dfsg-2ubuntu5)
precise Does not exist

trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
qemu-kvm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Ignored
(end of ESM support, was deferred [2021-05-13])
trusty Does not exist

upstream Needs triage

xenial Does not exist