CVE-2017-7493: Debian Linux
High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.
Affected products
Published 2017-05-17. Last modified 2026-06-17.