Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - erofs修正 w/ directio 選項的以檔案備份掛載的 UAF 問題 [ 9.269940][ T3222] 呼叫追踪 [9.269948][ T3222] ext4_file_read_iter+0xac/0x108 [ 9.269979][ T3222] vfs_iocb_iter_read+0xac /0x198 [9.269993][ T3222] erofs_fileio_rq_submit+0x12c/0x180 [ 9.270008][ T3222] erofs_fileio_submit_bio+0x14/0x24 [ 9.270030][ T3222] z_erofs_runqueue+0x834/0x8ac [ 9.270054][ T3222] z_erofs_read_folio +0x120/0x220 [9.270083][ T3222] filemap_read_folio+0x60/0x120 [ 9.270102][ T3222] filemap_fault+0xcac/0x1060 [9.270119][ T3222] do_pte_missing+0x2d8/0x1554 [ 9.270131][ T3222] handle_mm_fault+0x5ec/0x70c [ 9.270142][T3222] do_page_fault+0x178/0x88c [ 9.270167][ T3222] do_translation_fault+0x38/0x54 [ 9.270183][ T3222] do_mem_abort+0x54/0xac [ 9.270208][ T3222] el0_da+0x44/0x7c [ 9.270227][ T3222] el0t_64_sync_handler+0x5c/0xf4 [ 9.270253][ T3222] el0t_64_sync+0x1bc/0x1c0 EROFS 啟用 w/ directio 掛載選項的由檔案備份掛載時可能會發生上述不穩定情形則根本原因是其可能在下列爭用情形下遭受 UAF- z_erofs_read_folio wq s_dio_done_wq - z_erofs_runqueue - erofs_fileio_submit_bio - erofs_file io_rq_submit - vfs_iocb_iter_read - ext4_file_read_iter - ext4_dio_read_iter - iomap_dio_rw
    bio 已提交並傳回 -EIOCBQUEUED - dio_aio_complete_work - dio_complete - dio->iocb->ki_complete (erofs_fileio_ki_complete()) - kfree(rq)它會釋放 iocbiocb.ki_filp 可能是 file_accessed() 中的 UAF。 - file_accessed存取 NULL 檔案點在結構 erofs_fileio_rq 中引入參照計數並將其初始化為兩個erofs_fileio_ki_complete() 和 erofs_fileio_rq_submit() 都會減少參照計數最後一個將參照計數減為零將會釋放 rq。 (CVE-2026-23224)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

偵測

Linux Distros 未修補的弱點：CVE-2026-23224

medium Nessus Plugin ID 299433

版本 1.8