Vulnerability in f2fs Package: Sanity Check on Last Xattr Entry
Summary
GSD-2021-1002813: f2fs: fix to do sanity check on last xattr entry in __f2fs_setxattr(). Affects Kernel versions < fffb6581a23add416239dfcf7e7f3980c6b913da. 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 supports advanced features such as inline data, atomic writes, and atomic file creation. The package is widely used in various Linux distributions and is responsible for managing file system operations on flash-based storage devices.
Vulnerability Detail
The vulnerability identified in the f2fs package relates to a missing sanity check on the last extended attribute (xattr) entry in the __f2fs_setxattr() function. This function is responsible for setting extended attributes on files within the file system. By not performing a proper sanity check, an attacker could potentially manipulate the last xattr entry to trigger a security issue. The impact of this vulnerability is yet to be proven, but it has the potential to lead to unauthorized access, privilege escalation, or other security breaches.
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
No specific workaround has been mentioned for this vulnerability.
Conclusion
The f2fs package in the Linux Kernel is vulnerable to a missing sanity check issue in the __f2fs_setxattr() function. This vulnerability can potentially lead to unauthorized access or privilege escalation. Users are advised to update their Linux Kernel to version v5.10.89 or later to mitigate the vulnerability. For further support on vulnerability remediation, you can 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 data management and supports advanced features such as inline data, atomic writes, and atomic file creation.
The impact of this vulnerability is yet to be proven, but it has the potential to lead to unauthorized access, privilege escalation, or other security breaches.
To fix this vulnerability, you need to update your Linux Kernel to version v5.10.89 or later, which includes the necessary patch to address the issue.
No specific workaround has been mentioned for this vulnerability.
For more information about this vulnerability, you can refer to the source link provided in the database_specific field of the vulnerability details.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
