Vulnerability in btrfs Package: search_csum_tree Return Value
Summary
GSD-2022-1001473: btrfs: make search_csum_tree return 0 if we get -EFBIG. Affects Kernel versions < 3c40052e3fde325cbe9dac4f52a229d74a5f3b8a. 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 btrfs package is a part of the Linux Kernel ecosystem and provides support for the B-tree file system. It is widely used in Linux distributions and offers advanced features such as snapshots, checksums, and RAID-like functionality. The search_csum_tree function is responsible for searching the checksum tree within the btrfs file system.
Vulnerability Detail
The search_csum_tree function in the btrfs package does not handle the error code -EFBIG correctly. As a result, it does not return 0 when encountering this error, which can lead to unexpected behavior and potential security vulnerabilities. An attacker could potentially exploit this vulnerability to bypass certain security measures or cause a denial-of-service condition.
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 →
Workaround
There is no known workaround available for this vulnerability. It is recommended to apply the fix mentioned above by updating the Linux Kernel.
Conclusion
The vulnerability in the btrfs package's search_csum_tree function can be mitigated by updating the Linux Kernel to version v5.16.19 or later. It is crucial to apply security patches and updates to ensure the integrity and security of the system. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
This vulnerability can potentially be exploited by attackers to bypass security measures or cause a denial-of-service condition.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will alert you in real-time if the vulnerability is detected.
There are no known instances of this vulnerability being exploited in the wild at the moment. However, it is always recommended to apply security patches and updates to mitigate potential risks.
No, updating the Linux Kernel to the fixed version is the recommended solution for this vulnerability. Manually fixing the issue without updating the kernel may not provide complete protection against potential exploits.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry with ID GSD-2022-1001473.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
