CVE-2021-3546

CVE Details

Release Date:2021-06-02

Description


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.

See more information about CVE-2021-3546 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 8.2 Base Metrics: AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: High User Interaction: None
Scope: Changed Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (qemu)ELSA-2021-94252021-08-17
Oracle Linux version 8 (hivex)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libguestfs)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libguestfs-winsupport)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libiscsi)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libnbd)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libvirt)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libvirt-dbus)ELSA-2021-95682021-12-01
Oracle Linux version 8 (libvirt-python)ELSA-2021-95682021-12-01
Oracle Linux version 8 (nbdkit)ELSA-2021-95682021-12-01
Oracle Linux version 8 (netcf)ELSA-2021-95682021-12-01
Oracle Linux version 8 (perl-Sys-Virt)ELSA-2021-95682021-12-01
Oracle Linux version 8 (qemu-kvm)ELSA-2021-95682021-12-01
Oracle Linux version 8 (seabios)ELSA-2021-95682021-12-01
Oracle Linux version 8 (sgabios)ELSA-2021-95682021-12-01
Oracle Linux version 8 (supermin)ELSA-2021-95682021-12-01



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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