The cirrusinvalidateregion function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.8.1.1"
},
{
"introduced": "0"
},
{
"last_affected": "8.0"
}
]
}