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.
[
{
"product": "qemu",
"vendor": "QEMU",
"versions": [
{
"status": "affected",
"version": "2.7.4"
}
]
}
]