Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | >= 6.10.0, < 7.0.0 |
| Netapp | Ontap Select Deploy Administration Utility | - |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1962306Issue TrackingPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210706-0006/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1962306Issue TrackingPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210706-0006/Third Party Advisory
FAQ
What is CVE-2021-3559?
CVE-2021-3559 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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). Thi...
How severe is CVE-2021-3559?
CVE-2021-3559 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3559?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Libvirt, Netapp Ontap Select Deploy Administration Utility.