CVE-2021-25645
Couchbase vulnerability analysis and mitigation

Overview

A vulnerability identified as CVE-2021-25645 was discovered in the Linux kernel. The issue affects traffic between two Geneve endpoints when IPsec is configured to encrypt the communication (Red Hat Advisory).

Technical details

The vulnerability affects Linux kernel versions before 5.9-rc7, specifically impacting the encryption of traffic between Geneve endpoints when IPsec encryption is configured. This security issue was rated as Important by Red Hat Product Security (Red Hat Advisory).

Impact

When exploited, this vulnerability could result in traffic between two Geneve endpoints being unencrypted, even when IPsec is configured to encrypt the communication. This could potentially expose sensitive data that was intended to be encrypted (Red Hat Advisory).

Mitigation and workarounds

The vulnerability has been addressed through kernel updates. Users are advised to update to kernel version 5.9-rc7 or later. For Red Hat Enterprise Linux users, the fix is included in kernel-rt-3.10.0-1160.21.1.rt56.1158.el7 update (Red Hat Advisory).

Additional resources


SourceThis report was generated using AI

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