CVE-2023-52681 Information

Description

In the Linux kernel the following vulnerability has been resolved:

efivarfs: Free s_fs_info on unmount

Now that we allocate a s_fs_info struct on fs context creation we should ensure that we free it again when the superblock goes away.

Reference

https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03 https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3 https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b