Critical Vulnerability in Linux Kernel Packages: CVE-2019-14898
Summary
UBUNTU-CVE-2019-14898: The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. Affects linux versions 3.11.0-12.19 – 3.13.0-98.145. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of Linux operating systems, responsible for managing hardware resources and providing essential services to applications. It is widely used in various distributions, including Ubuntu. The kernel's functionality includes process management, memory management, device drivers, and system calls. This vulnerability affects multiple versions of the Linux kernel, particularly those in Ubuntu 14.04 LTS and 18.04 LTS, exposing systems to potential security risks.
Vulnerability Detail
CVE-2019-14898 is a vulnerability in the Linux kernel that arises from an incomplete fix for CVE-2019-11599. This flaw allows local users to exploit a race condition with the mmget_not_zero or get_task_mm calls, potentially leading to sensitive information disclosure, denial of service, or other unspecified impacts. The vulnerability affects various kernel modules and can be exploited by users with local access to the system, making it critical for system security.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can limit local access to the system to prevent exploitation of this vulnerability. Additionally, monitoring system logs for unusual activities can help mitigate risks until the system is updated.
Conclusion
CVE-2019-14898 is a critical vulnerability affecting the Linux kernel, allowing local users to exploit a race condition. It is crucial to update the affected packages to mitigate risks associated with this vulnerability. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2019-14898 is a vulnerability in the Linux kernel that allows local users to exploit a race condition, potentially leading to sensitive information disclosure or denial of service.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring signup.
The vulnerability can lead to sensitive information disclosure, denial of service, and other unspecified impacts, making it critical for system security.
You can update your Linux kernel packages by running 'sudo apt-get update' followed by 'sudo apt-get install <package-name>' for the affected packages.
Yes, the CVSS score for CVE-2019-14898 is 7.0, indicating a high severity level.
References
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