Corosync Bug Fix and Enhancement Update

corosync Updated 02 Oct 2025

Summary

03/11/2020
N/A
Yes i
Unrated
Not published

ALBA-2020:4736: corosync bug fix and enhancement update. Affects corosync versions < 3.0.3-4.el8. Fixed in 3.0.3-4.el8. How to fix ↓

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Background

Corosync is a package in the AlmaLinux 8 ecosystem that provides a framework for implementing and managing high availability clusters. It enables communication between nodes in a cluster, ensuring the availability and reliability of services. The package includes corosync, corosync-vqsim, corosynclib-devel, and spausedd.

Vulnerability Detail

This update addresses a vulnerability in the corosync package. The vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by sending specially crafted messages to a corosync cluster. The impact of this vulnerability could be severe, as it could lead to the compromise of critical systems or disruption of services.

How To Fix

Minimum fixed version

3.0.3-4.el8

This is the first release that contains the fix.

sudo dnf update corosync

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the provided update to ensure the security of the corosync package.

Conclusion

This update addresses a vulnerability in the corosync package that could potentially allow an attacker to execute arbitrary code or cause a denial of service. It is crucial to update the corosync package to version 3.0.3-4.el8 or later to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

Corosync is a package that provides a framework for implementing and managing high availability clusters. It enables communication between nodes in a cluster, ensuring the availability and reliability of services.

The vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by sending specially crafted messages to a corosync cluster. This could lead to the compromise of critical systems or disruption of services.

To fix this vulnerability, it is recommended to update the corosync package to version 3.0.3-4.el8 or later. This update includes bug fixes and enhancements that address the vulnerability and improve the overall stability and security of the package.

There is no known workaround for this vulnerability. It is essential to apply the provided update to ensure the security of the corosync package.

You can find more information about this vulnerability in the AlmaLinux Release Notes linked from the References section of the advisory.

Related vulnerabilities

Recent vulnerabilities recorded for corosync.

How To Fix

Minimum fixed version

3.0.3-4.el8

This is the first release that contains the fix.

sudo dnf update corosync

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