CVE-2020-35498

CVSS 7.5 HIGHEPSS 8.0%CWE-400

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 8.0%KEV nãoPoC —Patch referenciado

Lifecycle

11 Feb 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

n/a · openvswitch

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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 https://www.openwall.com/lists/oss-security/2021/02/10/4