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。

  - blockbfq修正零 wsum 發生的除以零錯誤。當加權總和為零時限制計算造成除以零錯誤。繼續下一個層級可修正此問題。發現這是因為以 root 身分執行stress-ng --ioprio 0 修正除以錯誤 oops [ 521.450556] 除錯誤0000 [#1] SMP NOPTI [ 521.450766] CPU2 PID 2684464 通訊stress-ng- iopri 未受污染的 6.2.1-1280.native #1 [ 521.451117] 硬體名稱QEMU Standard PC (i440FX + PIIX, 1996)BIOS rel-1.16.1-0-g3208b098f51a-prebuilt.qemu.org04/01/2014 [ 521.451627] RIP 0010:bfqq_request_over_limit+0x207/0x400 [ 521.451875] 程式碼01 48 8d 0c c8 74 0b 48 8b 82 98 00 00 00 48 8d 0c c8 8b 85 34 ff ff ff 48 841 ca 41 0f af 50 48 d1 ea 48 98 48 01 d0 31 d2 <48> f7 f1 41 39 41 48 89 85 34 ff ff ff 0f 8c 7b 01 00 00 49 8b 44 [ 521.452699] RSP
    0018:ffffb1af84eb3948 EFLAGS00010046 [ 521.452938] RAX000000000000003c RBX0000000000000000 RCX
    0000000000000000 [ 521.453262] RDX 0000000000000000 RSI 0000000000000000 RDI ffffb1af84eb3978 [521.453584] RBP ffffb1af84eb3a30 R0800000000000000001 R094 0 [ff] 8 f [88 ab 521.4539054 0 ff [ R10] 8 ab
    0000000000000000 R110000000000000001 R12ffff8f88ab8a4b18 [ 521.454224] R13ffff8f8699093000 R14
     R150000000000000001  : ffffb1af84eb3970 [ 521.454549] FS: 00005640b6b0b580(0000) GS:ffff8f88b3880000(0000) knlGS:0000000000000000 [ 521.454912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 521.455170] CR2:
    00007ffcbcae4e38 CR300000002e46de001 CR40000000000770ee0 [ 521.455491] PKRU55555554 [ 521.455619] 呼叫追踪 [ 521.455736] <TASK> [ 521.455837] bfq_request_merge+0x3a/0xc0 [ 521.456027] ? elv_merge+0x115/0x140 [ 521.456191] bfq_limit_depth+0xc8/0x240 [ 521.456366]
    __blk_mq_alloc_requests+0x21a/0x2c0 [ 521.456577] blk_mq_submit_bio+0x23c/0x6c0 [ 521.456766]
    __submit_bio+0xb8/0x140 [ 521.457236] submit_bio_noacct_nocheck+0x212/0x300 [ 521.457748] submit_bio_noacct+0x1a6/0x580 [ 521.458220] submit_bio+0x43/0x80 [ 521.458660] ext4_io_submit+0x23/0x80 [521.459116] ext4_do_writepages+0x40adx00 [ 521.459596] ext4_writepages+0x65/0x100 [ 521.460050] do_writepages+0xb7/0x1c0 [ 521.460492] __filemap_fdatawrite_range+0xa6/0x100 [ 521.460979] file_write_and_wait_range+0xbf/0x140 [ 521.461452] ext4_sync_file+0x105/0x340 [ 521.461882]
    __x64_sys_fsync+0x67/0x100 [ 521.462305] ? syscall_exit_to_user_mode+0x2c/0x1c0 [ 521.462768] do_syscall_64+0x3b/0xc0 [ 521.463165] entry_SYSCALL_64_after_hwframe+0x5a/0xc4 [ 521.463621] RIP
    0033:0x5640b6c56590 [ 521.464006] 程式碼00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 80 3d 71 70 0e 00 00 0 740 17 b 8 4a 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c (CVE-2023-54242)

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-2023-54242

medium Nessus Plugin ID 280707

版本 1.23