Moderate: kernel security, bug fix, and enhancement update - kernel-tools-libs-devel
Summary
ALSA-2020:4431: Moderate: kernel security, bug fix, and enhancement update. Affects kernel-tools-libs-devel versions < 4.18.0-240.el8. Fixed in 4.18.0-240.el8. How to fix ↓
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Background
The kernel-tools-libs-devel package is a part of the AlmaLinux operating system and provides development libraries for kernel tools. These libraries are used by developers to build and test kernel-related applications. The package plays a crucial role in the functioning of the kernel and its associated tools.
Vulnerability Detail
This vulnerability (CVE-2020-12655) affects the kernel-tools-libs-devel package. It is caused by a sync of excessive duration via an XFS v5 image with crafted metadata. An attacker can exploit this vulnerability to cause a denial of service (DoS) condition, potentially leading to system instability or crashes. The vulnerability arises from a flaw in the handling of XFS v5 images, allowing an attacker to craft malicious metadata that triggers a sync operation with excessive duration.
How To Fix
Minimum fixed version
4.18.0-240.el8
This is the first release that contains the fix.
sudo dnf update kernel-tools-libs-develTip — 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 provided fix by updating the kernel-tools-libs-devel package to the recommended version.
Conclusion
The kernel-tools-libs-devel package is susceptible to a moderate-level vulnerability (CVE-2020-12655) that can result in a denial of service condition. To mitigate this vulnerability, users should update the package to version 4.18.0-240.el8 or later. It is important to promptly apply the fix to ensure system stability and security. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can lead to a denial of service (DoS) condition, potentially causing system instability or crashes.
You can use the 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.
At the time of this report, there are no known exploits for this vulnerability. However, it is crucial to apply the recommended fix to mitigate any potential risks.
Yes, a patch is available for this vulnerability. Users should update the kernel-tools-libs-devel package to version 4.18.0-240.el8 or later to apply the fix.
Unfortunately, there are no known temporary measures or workarounds for this vulnerability. It is highly recommended to update the package as soon as possible.
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