The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Affected versions of this package are vulnerable to Out-of-Bounds due to an unusual packet which would trigger a buffer overrun in the driver. An unprivileged guest can cause Denial of Service (DoS) of the host by sending network packets to the backend, causing the backend to crash.
Mitigation
Using another PV network backend (e.g. the qemu based "qnic" backend) will mitigate the problem.
Using a dedicated network driver domain per guest will mitigate the problem.