ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call.Referenceshttps://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00825.htmlhttps://www.openwall.com/lists/oss-security/2020/06/04/2https://security.netapp.com/advisory/ntap-20200717-0001/http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.htmlhttps://usn.ubuntu.com/4467-1/https://cve.openeuler.org/cve#/CVEInfo/CVE-2020-13800https://security.gentoo.org/glsa/202011-09
