CVE-2021-3559

MEDIUM

libvirt 6.10.0-6.12.0 - Denial of Service via virConnectListAllNodeDevices API

Title source: llm
STIX 2.1

Description

A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.

References (2)

Core 2
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1962306
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210706-0006/

Scores

CVSS v3 6.5
EPSS 0.0037
EPSS Percentile 58.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (2)
netapp/ontap_select_deploy_administration_utility
redhat/libvirt 6.10.0 - 7.0.0
Published May 24, 2021
Tracked Since Feb 18, 2026