eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.
http://www.openwall.com/lists/oss-security/2020/11/02/1
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html
https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Source: MITRE
Published: 2020-11-06
Updated: 2022-01-06
Type: CWE-617
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM