qemu: Security fix for CVE-2020-28916

Source: qemu.org
MR: 107262
Type: Security Fix
Disposition: Backport from https://git.qemu.org/?p=qemu.git;a=commit;h=c2cb511634012344e3d0fe49a037a33b12d8a98a


ChangeID: 3024b894ab045c1a74ab2276359d5e599ec9e822
Description:

Affects qemu < 5.0.0

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>