Moderate: dbus security update
Summary
ALSA-2023:4569: Moderate: dbus security update. Affects dbus versions < 1:1.12.20-7.el9_2.1. Fixed in 1:1.12.20-7.el9_2.1. How to fix ↓
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Background
D-Bus is a system for sending messages between applications. It serves as both the system-wide message bus service and a per-user-login-session messaging facility. It is widely used in various Linux distributions, including AlmaLinux 9.
Vulnerability Detail
The vulnerability (CVE-2023-34969) in D-Bus affects the dbus-daemon component. It is an assertion failure that occurs when a monitor is active and a message from the driver cannot be delivered. This vulnerability can be exploited by an attacker to cause a denial-of-service (DoS) condition, potentially disrupting the communication between applications and compromising system stability.
How To Fix
Minimum fixed version
1:1.12.20-7.el9_2.1
This is the first release that contains the fix.
sudo dnf update dbusTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update to mitigate the risk effectively.
Conclusion
To ensure the security and stability of your system, it is highly recommended to update the dbus package to version 1.12.20-7.el9_2.1 or later. This update addresses the assertion failure vulnerability in dbus-daemon. If you have any further questions or need assistance with vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for dbus →
FAQ
D-Bus is a messaging system used for inter-process communication between applications in Linux-based systems. It facilitates the exchange of messages and data between different software components.
The vulnerability in dbus-daemon can lead to a denial-of-service (DoS) condition, potentially disrupting the communication between applications and compromising system stability.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
No, there is no known workaround for this vulnerability. It is crucial to apply the security update provided by AlmaLinux to mitigate the risk effectively.
You can refer to the CVE page for CVE-2023-34969 for more detailed information about this vulnerability, including its impact, CVSS score, acknowledgments, and related references.
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