cve-2024-26869
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-11-05 09:17
Severity ?
Summary
f2fs: fix to truncate meta inode pages forcely
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/04226d8e3c4028dc451e9d8777356ec0f7919253
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/77bfdb89cc222fc7bfe198eda77bdc427d5ac189
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f0c4a46be1fe9b97dbe66d49204c1371e3ece65
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c92f2927df860a60ba815d3ee610a944b92a8694
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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          "product": "Linux",
          "programFiles": [
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            "fs/f2fs/segment.c",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to truncate meta inode pages forcely\n\nBelow race case can cause data corruption:\n\nThread A\t\t\t\tGC thread\n\t\t\t\t\t- gc_data_segment\n\t\t\t\t\t - ra_data_block\n\t\t\t\t\t  - locked meta_inode page\n- f2fs_inplace_write_data\n - invalidate_mapping_pages\n : fail to invalidate meta_inode page\n   due to lock failure or dirty|writeback\n   status\n - f2fs_submit_page_bio\n : write last dirty data to old blkaddr\n\t\t\t\t\t - move_data_block\n\t\t\t\t\t  - load old data from meta_inode page\n\t\t\t\t\t  - f2fs_submit_page_write\n\t\t\t\t\t  : write old data to new blkaddr\n\nBecause invalidate_mapping_pages() will skip invalidating page which\nhas unclear status including locked, dirty, writeback and so on, so\nwe need to use truncate_inode_pages_range() instead of\ninvalidate_mapping_pages() to make sure meta_inode page will be dropped."
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    "dateReserved": "2024-02-19T14:20:24.184Z",
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