In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html
http://www.openwall.com/lists/oss-security/2020/08/10/1
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07563.html
https://security.netapp.com/advisory/ntap-20200821-0006/
Source: MITRE
Published: 2020-08-11
Updated: 2020-10-13
Type: CWE-617
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 3.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Impact Score: 1.4
Exploitability Score: 2
Severity: LOW