CVE-2024-40971

MEDIUM
Published Jul 12, 2024 Modified May 12, 2026

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

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/38a82c8d00638bb642bef787eb1d5e0e4d3b7d71 https://git.kernel.org/stable/c/724429db09e21ee153fef35e34342279d33df6ae https://git.kernel.org/stable/c/a9cea0489c562c97cd56bb345e78939f9909e7f4 https://git.kernel.org/stable/c/ac5eecf481c29942eb9a862e758c0c8b68090c33 https://git.kernel.org/stable/c/ae39c8ec4250d2a35ddaab1c40faacfec306ff66 https://git.kernel.org/stable/c/eddeb8d941d5be11a9da5637dbe81ac37e8449a2 https://git.kernel.org/stable/c/38a82c8d00638bb642bef787eb1d5e0e4d3b7d71 https://git.kernel.org/stable/c/724429db09e21ee153fef35e34342279d33df6ae https://git.kernel.org/stable/c/a9cea0489c562c97cd56bb345e78939f9909e7f4 https://git.kernel.org/stable/c/ac5eecf481c29942eb9a862e758c0c8b68090c33 https://git.kernel.org/stable/c/ae39c8ec4250d2a35ddaab1c40faacfec306ff66 https://git.kernel.org/stable/c/eddeb8d941d5be11a9da5637dbe81ac37e8449a2

Frequently Asked Questions

What is CVE-2024-40971? +
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 It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-40971? +
CVE-2024-40971 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-40971? +
CVE-2024-40971 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-40971? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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