CVE-2020-35498
HIGH7.5EPSS 5.7%openvswitch - security update
Published: 2/11/2021Modified: 4/28/2026
Description
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Affected packages (2)
- Debian/openvswitchfrom 0, < 2.15.0~git20210104.def6eb1ea+dfsg1-5
- Debian/openvswitchfrom 0, < 2.10.7+ds1-0+deb10u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |