Critical Vulnerabilities in linux-starfive Package: Denial of Service and Potential Code Execution Risks
Summary
USN-6454-4: linux-starfive vulnerabilities. Affects linux-starfive versions < 6.5.0-1003.4. Fixed in 6.5.0-1003.4. How to fix ↓
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Background
The linux-starfive package is a critical component of the Ubuntu operating system, specifically designed for the StarFive architecture. It provides essential kernel functionalities, including process management, memory management, and hardware interaction. However, recent vulnerabilities have been identified that could compromise system stability and security, making it crucial for users to stay informed and updated.
Vulnerability Detail
Multiple vulnerabilities have been discovered in the linux-starfive package, primarily affecting the netfilter subsystem and the Quick Fair Queueing scheduler. These vulnerabilities include a race condition in IP set operations (CVE-2023-42756), improper validation of register length leading to out-of-bounds writes (CVE-2023-4881), and use-after-free vulnerabilities that could allow local attackers to cause system crashes or potentially execute arbitrary code (CVE-2023-4921, CVE-2023-5197). These issues stem from inadequate handling of network packets and rule removals, posing significant risks to system integrity.
How To Fix
Minimum fixed version
6.5.0-1003.4
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linux-starfiveTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds provided for these vulnerabilities. The best course of action is to apply the available updates as soon as possible to mitigate risks.
Conclusion
The vulnerabilities identified in the linux-starfive package pose significant risks to system stability and security. It is essential for users to update to the latest patched version to protect against potential attacks. Utilizing tools like Vulert can further enhance security by providing real-time monitoring of open-source vulnerabilities.
See every vulnerability recorded for linux-starfive →
FAQ
The linux-starfive package is a kernel package for Ubuntu that supports the StarFive architecture, providing essential system functionalities.
The vulnerabilities include race conditions, out-of-bounds writes, and use-after-free issues that can lead to denial of service or arbitrary code execution.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Simply upload your manifest file, such as package-lock.json, to check for vulnerabilities.
Yes, a patched version of the linux-starfive package (6.5.0-1003.4) is available. Users should update to this version to mitigate the vulnerabilities.
If immediate updates are not possible, ensure to monitor your system closely for any unusual behavior and consider using Vulert to assess your application's vulnerability status.
