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CVE-2021-4147

nvd nist
Published: Mar 25, 2022Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Exploitability: 2.0 / Impact: 4.0
Source: NVD

Description

A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.

Affected (3)

Redhat
1 product
Libvirt
Fedoraproject
1 product
Fedora
Netapp
1 product
Ontap Select Deploy Administration Utility
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Libvirt
Before 2.33.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 35
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Ontap Select Deploy Administration Utility
All versions

Related CWEs

CWE-667
Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

References (6)

Source: secalert@redhat.com
Issue TrackingPatchVendor Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.