Critical Security Advisory for dracut and dracut-network: CVE-2026-15816 and CVE-2026-6893
Summary
RHSA-2026:79114: Red Hat Security Advisory: dracut security, bug fix, and enhancement update. Affects dracut versions < 0:004-414.el6_10. Fixed in 0:004-414.el6_10. How to fix ↓
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Background
dracut is an essential tool in the Linux ecosystem that facilitates the creation of initramfs images, which are crucial for booting the operating system. It allows for modular and flexible boot configurations, making it a key component in system initialization. The dracut-network package extends this functionality by providing network-related modules for the initramfs. Both packages are part of the Red Hat Enterprise Linux ecosystem and are vital for system stability and performance.
Vulnerability Detail
The vulnerabilities identified as CVE-2026-15816 and CVE-2026-6893 expose the dracut and dracut-network packages to potential security risks. These vulnerabilities could allow unauthorized access or manipulation of system resources, leading to severe consequences such as data breaches or system instability. The vulnerabilities stem from improper handling of certain inputs, which can be exploited by attackers to gain elevated privileges or execute arbitrary code.
How To Fix
Minimum fixed version
0:004-414.el6_10
This is the first release that contains the fix.
sudo dnf update dracutTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, you can restrict access to the affected components or disable the use of dracut and dracut-network until the packages are updated. However, this may impact system functionality, so it should be approached with caution.
Conclusion
The vulnerabilities in the dracut and dracut-network packages pose significant security risks that require immediate attention. Updating to the patched versions is crucial to safeguard your systems against potential exploits. Utilizing tools like Vulert can help monitor and alert you to such vulnerabilities in real-time.
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FAQ
These are identifiers for specific vulnerabilities found in the dracut and dracut-network packages that could lead to unauthorized access or system manipulation.
You can use tools like Vulert, which monitors open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.
The CVSS score for these vulnerabilities is 7.5, indicating a high severity level.
Yes, if exploited, these vulnerabilities could lead to unauthorized access and potential data breaches, risking data loss.
If immediate updates are not possible, consider implementing temporary workarounds such as restricting access to the affected components.
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