The v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to obtain sensitive host heap memory information by reading xattribute values before writing to them.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.7.1"
},
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}