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 Access Restriction Bypass when a malicious client attempts to create and open a device file on the host side. This is only exploitable in specific setups where the QEMU binary is run as root with the 9p 'local' fs driver and 'passthrough' security model, or when using the 9p 'proxy' fs driver with its helper daemon running as root. An attacker can potentially escape from the exported 9p tree.
NOTE: These setups are documented as discouraged by the developers, for safety reasons.