High severity7.5NVD Advisory· Published Oct 16, 2020· Updated Jun 17, 2026
CVE-2020-27173
CVE-2020-27173
Description
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.
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Affected products
3- vm-superio/vm-superiodescription
- Range: <0.1.1
Patches
Vulnerability mechanics
References
2- github.com/rust-vmm/vm-superio/pull/19nvdPatchThird Party Advisory
- github.com/rust-vmm/vm-superio/issues/17nvdThird Party Advisory
News mentions
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