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CVE-2021-3975
CVE ID
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CVE-2021-3975
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection could use this flaw to perform a denial of service attack by causing the libvirt daemon to crash.
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CVSS V3 Severity and Metrics
General Information
Vendors
- canonical,
- debian,
- fedoraproject,
- netapp,
- redhat
Products
- codeready linux builder -,
- debian linux 10.0,
- debian linux 11.0,
- enterprise linux 8.0,
- enterprise linux eus 8.6,
- enterprise linux for ibm z systems 8.0,
- enterprise linux for ibm z systems eus 8.6,
- enterprise linux for power little endian 8.0,
- enterprise linux for power little endian eus 8.6,
- enterprise linux server for power little endian update services for sap solutions 8.6,
- enterprise linux server tus 8.6,
- fedora 35,
- libvirt,
- ontap select deploy administration utility -,
- ubuntu linux 21.10
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
