CVE-2021-3559
Last modified
CVE-2021-3559 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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). EPSS estimates a 1.03% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | >= 6.10.0, < 7.0.0 |
| Netapp | Ontap Select Deploy Administration Utility | All versions |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1962306Issue Tracking, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210706-0006/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1962306Issue Tracking, Patch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210706-0006/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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