CVE-2024-40971

Name	CVE-2024-40971
Description	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
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5730-1, DSA-5731-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.218-1	vulnerable
	bullseye (security)	5.10.223-1	fixed
	bookworm	6.1.94-1	vulnerable
	bookworm (security)	6.1.99-1	fixed
	sid, trixie	6.10.6-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
linux	source	bullseye	5.10.221-1	DSA-5730-1
linux	source	bookworm	6.1.99-1	DSA-5731-1
linux	source	(unstable)	6.9.7-1

https://git.kernel.org/linus/ac5eecf481c29942eb9a862e758c0c8b68090c33 (6.10-rc1)