SPICE allows local guest OS users to read from or write to arbitrary host memory locations via crafted primary surface parameters, a similar issue to CVE-2015-5261.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:HA:N7.1/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N