Vulnerability in f2fs Package: Sanity Check on curseg->alloc_type
Summary
GSD-2022-1002049: f2fs: fix to do sanity check on curseg->alloc_type. Affects Kernel versions < 498b7088db71f9707359448cd6800bbb1882f4c3. 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 management of data and metadata for improved performance and reliability. The curseg->alloc_type is a crucial attribute in the package that determines the allocation type for a particular segment. However, a vulnerability has been discovered in the package that allows for improper handling of the curseg->alloc_type attribute, potentially leading to security issues.
Vulnerability Detail
The vulnerability in the f2fs package arises from a lack of proper sanity checks on the curseg->alloc_type attribute. This can be exploited by an attacker to manipulate the allocation type, leading to various security risks. The impact of this vulnerability can range from data corruption to privilege escalation. It is important to note that the actual impact and attack plausibility have not been proven yet.
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 advised to apply the fix by updating the Linux Kernel as mentioned in the 'how_to_fix' section.
Conclusion
The f2fs package in the Linux Kernel is vulnerable to a lack of sanity check on the curseg->alloc_type attribute. This vulnerability can have serious security implications, including data corruption and privilege escalation. It is crucial to update the Linux Kernel to version v5.10.110 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The f2fs package is a file system designed for flash-based storage devices in the Linux Kernel. It provides efficient management of data and metadata for improved performance and reliability.
curseg->alloc_type is an attribute in the f2fs package that determines the allocation type for a particular segment.
The impact of this vulnerability can range from data corruption to privilege escalation.
No, the actual impact and attack plausibility have not been proven yet.
To fix this vulnerability, update the Linux Kernel to version v5.10.110 or later, which includes the necessary fix.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
