CVE-2024-34027 Information

Description

In the Linux kernel the following vulnerability has been resolved:

f2fs: compress: fix to cover reserverelease_compress_blocks() w/ cp_rwsem lock

It needs to cover reserverelease_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint otherwise filesystem metadata including blkaddr in dnode inode fields and .total_valid_block_count may be corrupted after SPO case.

Reference

https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182 https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4 https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019