CVE-2024-27032 Information

Description

In the Linux kernel the following vulnerability has been resolved:

f2fs: fix to avoid potential panic during recovery

During recovery if FAULT_BLOCK is on it is possible that f2fs_reserve_new_block() will return -ENOSPC during recovery then it may trigger panic.

Also if fault injection rate is 1 and only FAULT_BLOCK fault type is on it may encounter deadloop in loop of block reservation.

Let’s change as below to fix these issues:

• remove bug_on() to avoid panic.
• limit the loop count of block reservation to avoid potential deadloop.

Reference

https://git.kernel.org/stable/c/fe4de493572a4263554903bf9c3afc5c196e15f0 https://git.kernel.org/stable/c/8844b2f8a3f0c428b74672f9726f9950b1a7764c https://git.kernel.org/stable/c/d034810d02a5af8eb74debe29877dcaf5f00fdd1 https://git.kernel.org/stable/c/f26091a981318b5b7451d61f99bc073a6af8db67 https://git.kernel.org/stable/c/21ec68234826b1b54ab980a8df6e33c74cfbee58