CVE-2024-42296

EPSS 0.01%
Published 17.08.2024 09:15:10
Last modified 03.11.2025 22:17:57
Source 416baaa9-dc9f-4396-8d5f-8c081f
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In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix return value of f2fs_convert_inline_inode()

If device is readonly, make f2fs_convert_inline_inode()
return EROFS instead of zero, otherwise it may trigger
panic during writeback of inline inode's dirty page as
below:

 f2fs_write_single_data_page+0xbb6/0x1e90 fs/f2fs/data.c:2888
 f2fs_write_cache_pages fs/f2fs/data.c:3187 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3342 [inline]
 f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3369
 do_writepages+0x359/0x870 mm/page-writeback.c:2634
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 file_write_and_wait_range+0x1aa/0x290 mm/filemap.c:788
 f2fs_do_sync_file+0x68a/0x1ae0 fs/f2fs/file.c:276
 generic_write_sync include/linux/fs.h:2806 [inline]
 f2fs_file_write_iter+0x7bd/0x24e0 fs/f2fs/file.c:4977
 call_write_iter include/linux/fs.h:2114 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f