In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.
https://git.kernel.org/stable/c/e1373903db6c4ac994de0d18076280ad88e12dee
https://git.kernel.org/stable/c/985b67cd86392310d9e9326de941c22fc9340eec