CVE-2021-3545

CVE Details

Release Date:	2021-06-02
Impact:	None	What is this?

Description

An information disclosure 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 exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.

See more information about CVE-2021-3545 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	6.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Changed
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (qemu)	ELSA-2021-9425	2021-08-17
Oracle Linux version 8 (hivex)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libguestfs)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libguestfs-winsupport)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libiscsi)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libnbd)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libvirt)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libvirt-dbus)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (libvirt-python)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (nbdkit)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (netcf)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (perl-Sys-Virt)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (qemu-kvm)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (seabios)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (sgabios)	ELSA-2021-9568	2021-12-01
Oracle Linux version 8 (supermin)	ELSA-2021-9568	2021-12-01