CVE-2021-3582

MEDIUM

QEMU < 2.17.2 - Denial of Service via PVRDMA CMD_CREATE_MR Command

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1966266
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220429-0003/
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202208-27
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Scores

CVSS v3 6.5
EPSS 0.0016
EPSS Percentile 36.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (2)
debian/debian_linux 10.0
qemu/qemu < 2.17.2
Published Mar 25, 2022
Tracked Since Feb 18, 2026