The (1) v9fscreate and (2) v9fslcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.8.1"
},
{
"introduced": "0"
},
{
"last_affected": "2.9.0-rc0"
},
{
"introduced": "0"
},
{
"last_affected": "2.9.0-rc1"
},
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}