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redhatcveRedhat.comRH:CVE-2024-40971
HistoryJul 16, 2024 - 5:26 p.m.

CVE-2024-40971

2024-07-1617:26:24
redhat.com
access.redhat.com
4
linux kernel
f2fs_remount
data corruption
vulnerability
fscrypt_select_encryption_impl
parse_options

AI Score

7

Confidence

Low

In the Linux kernel, the following vulnerability has been resolved: f2fs: remove clear SB_INLINECRYPT flag in default_options In f2fs_remount, SB_INLINECRYPT flag will be clear and re-set. If create new file or open file during this gap, these files will not use inlinecrypt. Worse case, it may lead to data corruption if wrappedkey_v0 is enable. Thread A: Thread B: -f2fs_remount -f2fs_file_open or f2fs_new_inode -default_options <- clear SB_INLINECRYPT flag -fscrypt_select_encryption_impl -parse_options <- set SB_INLINECRYPT again