SB2021031523 - Red Hat Enterprise Linux Fast Datapath 8 update for openvswitch2.11

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Main Vulnerability Database SB2021031523

SB2021031523 - Red Hat Enterprise Linux Fast Datapath 8 update for openvswitch2.11

Published: March 15, 2021 Updated: April 7, 2023

Security Bulletin ID SB2021031523
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Memory leak (CVE-ID: CVE-2020-27827)

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in lldpd when processing packets with multiple instances of certain TLVs. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2020-35498)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing network packets. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References