DEBIAN-CVE-2021-20203
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-20203
- Import Source
- https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-20203.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-20203
- Upstream
- Downstream
- Published
- 2021-02-25T20:15:11Z
- Modified
- 2026-09-15T09:00:14Z
- Severity
-
- 3.2 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
- References
Affected packages
Debian:12 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=bookworm
Debian:13 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=trixie
Debian:14 / qemu
Package
- Name
- qemu
- Purl
- pkg:deb/debian/qemu?arch=source&distro=forky