CVE-2021-3582

CVE Details

Release Date:

2022-03-25

Description

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a PVRDMA_CMD_CREATE_MR command due to improper memory remapping (mremap). This flaw allows a malicious guest to crash the QEMU process on the host. The highest threat from this vulnerability is to system availability.

See more information about CVE-2021-3582 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:	6.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Changed	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

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

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