CVE-2022-50346

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A vulnerability exists in the Linux kernel related to the ext4 rename function. Specifically, the issue arises when renaming files and involves failing to initialize quota information for the 'old.inode', potentially leading to warnings and errors during the process of expanding 'extra isize' and allocating blocks. The vulnerability was discovered through Syzbot testing and involves modifying the 'old.inode' ctime and marking the inode as dirty, which can trigger the expansion of 'extra isize' and block allocation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.