CVE-2021-3559

MEDIUM
6.5
CVSS Score
Published: May 24, 2021 at 11:55 AM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsONTAP Select Deploy administration utilityLibvirt

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Severity
MEDIUM6.5
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.10.0 ≤ v < 7.0.07.0.0
Affected range stops below 7.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCIssue TrackingPatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1962306

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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