A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. A lack of bounds checking when copying iv_data from the VM guest memory into host memory can lead to a large buffer overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
https://www.openwall.com/lists/oss-security/2020/09/28/3
https://usn.ubuntu.com/4550-1/
https://bugzilla.redhat.com/show_bug.cgi?id=1879470
http://www.openwall.com/lists/oss-security/2021/01/04/5
http://www.openwall.com/lists/oss-security/2021/01/04/2
http://www.openwall.com/lists/oss-security/2021/01/04/1
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.html