CVE-2021-47116

Summary

CVE-2021-47116 is a vulnerability affecting the Linux kernel that has been addressed. This issue involved a memory leak in the ext4 file system when it encountered corrupted data with an unusually large number of log groups per flex. The leak was identified by the syzbot project, and the vulnerability has now been resolved to prevent potential misuse of this issue. The memory leak occurred during ext4_mb_init_backend initialization on the error path, and its resolution is expected to strengthen the overall security and stability of the Linux kernel.

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