CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2020-35498
High (7.5). EPSS 8.0% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 8.0% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- fedoraproject:fedora
- openvswitch:openvswitch
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1908845
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
- https://security.gentoo.org/glsa/202311-16
- https://www.debian.org/security/2021/dsa-4852