qemu-kvm-rhev is vulnerable to arbitrary code execution. The vulnerability exists in slirp where an out of bounds (OOB) buffer access while emulating tcp protocols in tcp_emu().
lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
www.openwall.com/lists/oss-security/2020/01/16/2
access.redhat.com/errata/RHSA-2020:0348
access.redhat.com/errata/RHSA-2020:0775
access.redhat.com/errata/RHSA-2020:2342
access.redhat.com/security/updates/classification/#important
gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289
gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80
gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9
lists.debian.org/debian-lts-announce/2020/01/msg00022.html
lists.debian.org/debian-lts-announce/2020/01/msg00036.html
lists.debian.org/debian-lts-announce/2021/02/msg00012.html
seclists.org/bugtraq/2020/Feb/0
security.gentoo.org/glsa/202005-02
usn.ubuntu.com/4283-1/
www.debian.org/security/2020/dsa-4616