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CVE-2020-16092In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network…
- 3.8LowCVSS base score
- 0.38%Exploitation in 30 daysEPSS · top 68% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By mitre
- 14 days later
· 14 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Low3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.8.
Affected products
n/a
- affected n/a
References
References8
- https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07563.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2020/08/10/1 (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20200821-0006/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-4467-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-4760 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20200913 [SECURITY] [DLA 2373-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2020:1664 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-202208-27 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-8059 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2020-16092)Record last updated .