CVE-2024-40971High· 7.3▾ TwilightIn 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 ga…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.2 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
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
linux_kernel >= 3.8, < 5.10.221linux_kernel >= 5.11, < 5.15.162linux_kernel >= 5.16, < 6.1.96linux_kernel >= 6.2, < 6.6.36linux_kernel >= 6.7, < 6.9.7Upgrade past the affected range:
linux_kernel 6.9.7Connected by shared product, vendor, weakness, or advisory.
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