f2fs: fix to wait on block writeback for post_read case
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to wait on block writeback for post_read case If inode is compressed, but not encrypted, it missed to call f2fs_wait_on_block_writeback() to wait for GCed page writeback in IPU write path. Thread A GC-Thread - f2fs_gc - do_garbage_collect - gc_data_segment - move_data_block - f2fs_submit_page_write migrate normal cluster's block via meta_inode's page cache - f2fs_write_single_data_page - f2fs_do_write_data_page - f2fs_inplace_write_data - f2fs_submit_page_bio IRQ - f2fs_read_end_io IRQ old data overrides new data due to out-of-order GC and common IO. - f2fs_read_end_io
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/2bfe8fdb674f71747553a65f2ef27e14c8880655
- https://git.kernel.org/stable/c/9bfd5ea71521d0e522ba581c6ccc5db93759c0c3
- https://git.kernel.org/stable/c/4535be48780431753505e74e1b1ad4836a189bc2
- https://git.kernel.org/stable/c/f904c156d8011d8291ffd5b6b398f3747e294986
- https://git.kernel.org/stable/c/55fdc1c24a1d6229fe0ecf31335fb9a2eceaaa00
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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