Vulnerability in btrfs: Verify the Transaction ID of Dirty Extent Buffer
Summary
GSD-2022-1001586: btrfs: verify the tranisd of the to-be-written dirty extent buffer. Affects Kernel versions < 17a2437d44f4bfa1f199343075e6458303a2dceb. 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 file system for Linux that provides advanced features such as snapshots, pooling, and checksums. It is designed to be efficient and scalable, making it suitable for both personal and enterprise use. However, a vulnerability has been discovered in btrfs that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in btrfs involves the verification of the transaction ID (tranisd) of a dirty extent buffer before it is written. If this verification is not performed correctly, it could allow an attacker to manipulate the buffer and potentially execute arbitrary code or cause a denial of service. The impact and attack plausibility of this vulnerability have not been proven, but it is important to address it to ensure the security of systems using btrfs.
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 specific workaround mentioned for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel as mentioned in the 'how_to_fix' section.
Conclusion
The vulnerability in btrfs related to the verification of the transaction ID of dirty extent buffers can potentially lead to security issues. It is crucial to update the Linux Kernel to version v5.16.19 or later to mitigate the risk associated with this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
btrfs is a file system for Linux that provides advanced features such as snapshots, pooling, and checksums. It is designed to be efficient and scalable.
The impact of this vulnerability is not proven, but it could potentially allow an attacker to manipulate a dirty extent buffer and execute arbitrary code or cause a denial of service.
To fix this vulnerability, update the Linux Kernel to version v5.16.19 or later, which includes the necessary fix for the verification of the transaction ID.
There is no specific workaround mentioned for this vulnerability. It is recommended to update the Linux Kernel to apply the fix.
You can find more information about this vulnerability in the Open Source Vulnerability database entry GSD-2022-1001586.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
