Vulnerability in f2fs Package: Avoiding f2fs_bug_on() in dec_valid_node_count()
Summary
GSD-2022-1003254: f2fs: fix to avoid f2fs_bug_on() in dec_valid_node_count(). Affects Kernel versions < bce859358d3d5940aa858e40ceee70ee6e76130e. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The f2fs package is a file system designed for flash-based storage devices in the Linux Kernel. It provides efficient data management and wear-leveling techniques specifically tailored for NAND-based flash memory. The dec_valid_node_count() function within the f2fs package is responsible for decrementing the valid node count. However, a vulnerability has been identified in this function that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in the dec_valid_node_count() function of the f2fs package allows for a potential security breach. When triggered, it could result in a f2fs_bug_on() assertion failure, leading to a denial-of-service (DoS) attack or potential privilege escalation. The vulnerability has been fixed in Linux Kernel version v5.15.46 by commit bce859358d3d5940aa858e40ceee70ee6e76130e.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Conclusion
The vulnerability in the f2fs package's dec_valid_node_count() function has been identified and fixed in Linux Kernel version v5.15.46. It is crucial to update the Linux Kernel to the fixed version to mitigate the potential security risks associated with this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability could potentially lead to a denial-of-service (DoS) attack or privilege escalation.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for any open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
You can refer to the commit bce859358d3d5940aa858e40ceee70ee6e76130e in the Linux Kernel repository for more details about the fix.
The vulnerability was discovered by an automated security analysis tool.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
