f2fs：删除 default_options 中的 SB_INLINECRYPT 标志（CVE-2024-40971）

CVE编号

CVE-2024-40971

利用情况

暂无

补丁情况

N/A

披露时间

2024-07-12

漏洞描述

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

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
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

CVSS3评分 N/A

• 攻击路径 N/A
• 攻击复杂度 N/A
• 权限要求 N/A
• 影响范围 N/A
• 用户交互 N/A
• 可用性 N/A
• 保密性 N/A
• 完整性 N/A

N/A

CWE-ID	漏洞类型

Exp相关链接

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