CVE-2020-35498

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenvswitch
PublishedFeb 11, 2021
First seenFeb 11, 2021

How to fix

Update
  • openvswitch openvswitch2.5.12, 2.6.10, 2.7.13, 2.8.11, 2.9.9, 2.10.7, 2.11.6, 2.12.3, 2.13.3, 2.14.2 or later

Affected products

ProductAffected versionsFixed in
openvswitch openvswitch2.5.0 ≤ v < 2.5.12, 2.6.0 ≤ v < 2.6.10, 2.7.0 ≤ v < 2.7.13, 2.8.0 ≤ v < 2.8.11, 2.9.0 ≤ v < 2.9.9, 2.10.0 ≤ v < 2.10.7, 2.11.0 ≤ v < 2.11.6, 2.12.0 ≤ v < 2.12.3, 2.13.0 ≤ v < 2.13.3, 2.14.0 ≤ v < 2.14.22.5.12, 2.6.10, 2.7.13, 2.8.11, 2.9.9, 2.10.7, 2.11.6, 2.12.3, 2.13.3, 2.14.2
debian debian_linux9.0, 10.0—
fedoraproject fedora33—

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