High severity7.3NVD Advisory· Published Jul 12, 2024· Updated Aug 4, 2026
CVE-2024-40971
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5Patches
Vulnerability mechanics
References
9- git.kernel.org/stable/c/38a82c8d00638bb642bef787eb1d5e0e4d3b7d71nvdPatch
- git.kernel.org/stable/c/724429db09e21ee153fef35e34342279d33df6aenvdPatch
- git.kernel.org/stable/c/a9cea0489c562c97cd56bb345e78939f9909e7f4nvdPatch
- git.kernel.org/stable/c/ac5eecf481c29942eb9a862e758c0c8b68090c33nvdPatch
- git.kernel.org/stable/c/ae39c8ec4250d2a35ddaab1c40faacfec306ff66nvdPatch
- git.kernel.org/stable/c/eddeb8d941d5be11a9da5637dbe81ac37e8449a2nvdPatch
- cert-portal.siemens.com/productcert/html/ssa-265688.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-355557.htmlnvd
- lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlnvd
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