UBUNTU-CVE-2021-3559
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3559
Summary:
Details: 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: https://ubuntu.com/security/CVE-2021-3559, https://bugzilla.redhat.com/show_bug.cgi?id=1962306, https://www.cve.org/CVERecord?id=CVE-2021-3559
Affected packages
Package
Name: libvirt
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.0.0-1ubuntu8.19
Affected versions
3.6.0-1ubuntu5
3.6.0-1ubuntu6
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
