CVE-2026-92502

CVE-2026-92502 affects the ext4 filesystem in the Linux kernel when using data=journal mode. The root cause is that folio_clear_dirty_for_io clears the PG_dirty flag but leaves the PAGECACHE_TAG_DIRTY and PAGECACHE_TAG_TOWRITE xarray tags set. In data=journal mode, jbd2 checkpoints journalled dat...