QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in updatecursordata_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "2.7.1"
},
{
"introduced": "0"
},
{
"last_affected": "2.8.0-rc0"
},
{
"introduced": "0"
},
{
"last_affected": "2.8.0-rc1"
},
{
"introduced": "0"
},
{
"last_affected": "2.8.0-rc2"
}
]
}