CVE-2020-16092 is an assertion failure vulnerability in QEMU versions up to 5.0.0, specifically impacting the e1000e and vmxnet3 network devices, and affecting products like Canonical, Debian, and OpenSUSE. A malicious guest user can trigger this flaw, leading to a denial of service on the host by aborting the QEMU process. Rated with a low CVSS score of 3.8, it requires local access and has low attack complexity, resulting in a low impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.0.0CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Aug 11, 2020QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c
Jul 27, 2020