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。

  - ocfs2: fix defrag path triggering jbd2 ASSERT code path: ocfs2_ioctl_move_extents ocfs2_move_extents ocfs2_defrag_extent __ocfs2_move_extent + ocfs2_journal_access_di + ocfs2_split_extent //sub-paths call jbd2_journal_restart + ocfs2_journal_dirty //crash by jbs2 ASSERT crash stacks: PID: 11297 TASK:
    ffff974a676dcd00 CPU: 67 COMMAND: defragfs.ocfs2 #0 [ffffb25d8dad3900] machine_kexec at ffffffff8386fe01 #1 [ffffb25d8dad3958] __crash_kexec at ffffffff8395959d #2 [ffffb25d8dad3a20] crash_kexec at ffffffff8395a45d #3 [ffffb25d8dad3a38] oops_end at ffffffff83836d3f #4 [ffffb25d8dad3a58] do_trap at ffffffff83833205 #5 [ffffb25d8dad3aa0] do_invalid_op at ffffffff83833aa6 #6 [ffffb25d8dad3ac0] invalid_op at ffffffff84200d18 [例外狀況 RIPjbd2_journal_dirty_metadata+0x2ba] RIPffffffffc09ca54a RSP
    ffffb25d8dad3b70 RFLAGS00010207 RAX 0000000000000000 RBXffff9706eedc5248 RCX0000000000000000 RDX
    0000000000000001 RSI: ffff97337029ea28 RDI: ffff9706eedc5250 RBP: ffff9703c3520200 R8: 000000000f46b0b2 R9: 0000000000000000 R10: 0000000000000001 R11: 00000001000000fe R12: ffff97337029ea28 R13:
    0000000000000000 R14ffff9703de59bf60 R15ffff9706eedc5250 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #7 [ffffb25d8dad3ba8] ocfs2_journal_dirty@ffffffad2]3 [befffb95 #8 [ocfsdfad23] 3 [beffffad23]
    __ocfs2_move_extent at ffffffffc139a950 [ocfs2] #9 [ffffb25d8dad3c80] ocfs2_defrag_extent at ffffffffc139b2d2 [ocfs2] Analysis This bug has the same root cause of 'commit 7f27ec978b0e (ocfs2: call ocfs2_journal_access_di() before ocfs2_journal_dirty() in ocfs2_write_end_nolock())'. 針對此錯誤在重組時ocfs2_split_extent() 會呼叫 jbd2_journal_restart()。如何修正針對 ocfs2_split_extent() 可以完全自行處理日誌作業。呼叫者不需要呼叫日誌存取/已變更組且呼叫者只需要呼叫日誌開始/停止組。修正方法是從 __ocfs2_move_extent() 中移除日誌存取/變更項目。此修補程式的討論
    https://oss.oracle.com/pipermail/ocfs2-devel/2023-February/000647.html (CVE-2023-53564)

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偵測

Linux Distros 未修補的弱點：CVE-2023-53564

medium Nessus Plugin ID 269294

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