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CVE-2020-35498

Good to know:

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Date: February 10, 2021

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.

Language: C

Severity Score

Related Resources (12)

https://www.debian.org/security/2021/dsa-4852
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html
https://bugzilla.redhat.com/show_bug.cgi?id=1908845
https://www.openwall.com/lists/oss-security/2021/02/10/4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
https://security-tracker.debian.org/tracker/CVE-2020-35498
https://security.gentoo.org/glsa/202311-16
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-35498
https://security.alpinelinux.org/vuln/CVE-2020-35498
https://nvd.nist.gov/vuln/detail/CVE-2020-35498
https://www.mend.io/vulnerability-database/CVE-2020-35498

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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