ext4: fix slab-use-after-free in ext4_split_extent_at()

...

PT-2024-8237

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: The issue is related to a slab-use-after-free vulnerability in the ext4 split extent at function of the Linux kernel's ext4 file system. This vulnerability can be triggered when the ext4 spli...