Vulnerability Details CVE-2020-27173
In vm-superio before 0.1.1, the serial console FIFO can grow to unlimited memory usage when data is sent to the input source (i.e., standard input). This behavior cannot be reproduced from the guest side. When no rate limiting is in place, the host can be subject to memory pressure, impacting all other VMs running on the same host.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2020-27173
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cpe:2.3:a:vm-superio_project:vm-superio:0.1.0