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VULNERABILITIES

CVE-2021-3582 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1966266 CVEExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html CVEMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202208-27 CVEThird Party Advisory
https://security.netapp.com/advisory/ntap-20220429-0003/ CVEThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1966266 [email protected]ExploitIssue TrackingThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer[email protected]

Affected Products

ProductVersions
qemu qemu
< 2.17.2

CPE

  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3582
NVD Published Date:
Mar 25, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3582 Details - Not Deferred