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。

  - scsi：storvsc：修正在 PREEMPT_RT 上不可部分完成時的排程 這解決了在 Hyper-V 上啟用 PREEMPT_RT 的情況下執行時的以下 splat 和鎖定： [ 415.140818] 錯誤：不可部分完成時排程：stress-ng-iomix/1048/0x00000002 [ 415.140822] 資訊：lockdep 已關閉。 [ 415.140823] 連結的模組：
    intel_rapl_msr intel_rapl_common intel_uncore_frequency_common intel_pmc_core pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry intel_vsec ghash_clmulni_intel aesni_intel rapl binfmt_misc nls_ascii nls_cp437 vfat fat snd_pcm hyperv_drm snd_timer drm_client_lib drm_shmem_helper snd sg soundcore drm_kms_helper pcspkr hv_balloon hv_utils evdev joydev drm configfs efi_pstore nfnetlink vsock_loopback vmw_vsock_virtio_transport_通用hv_sock vmw_vsock_vmci_transport VSOCK vmw_vmci efivarfs autofs4 ext4 crc16 mbcache jbd2 sr_mod sd_mod cdrom hv_storvsc serio_raw hid_generic scsi_transport_fc hid_hyperv scsi_mod HID hv_netvsc hyperv_keyboard scsi_common [ 415.140846] 在以下位置停用搶佔： [ 415.140847] [<ffffffffc0656171>] storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc] [ 415.140854] CPU： 8 UID： 0 PID： 1048 通訊： stress-ng-iomix 未受污染 6.19.0-rc7 #30 PREEMPT_{RT，（full）} [ 415.140856] 硬體名稱：
    Microsoft Corporation 虛擬機器/虛擬機器，BIOS Hyper-V UEFI 版本 v4.1 09/04/2024 [415.140857] 呼叫追蹤：[ 415.140861] <TASK> [ 415.140861] ？ storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc] [ 415.140863] dump_stack_lvl+0x91/0xb0 [ 415.140870] __schedule_bug+0x9c/0xc0 [ 415.140875]
    __schedule+0xdf6/0x1300 [ 415.140877] ？ rtlock_slowlock_locked+0x56c/0x1980 [ 415.140879] ？ rcu_is_watching+0x12/0x60 [ 415.140883] schedule_rtlock+0x21/0x40 [ 415.140885] rtlock_slowlock_locked+0x502/0x1980 [ 415.140891] rt_spin_lock+0x89/0x1e0 [ 415.140893] hv_ringbuffer_write+0x87/0x2a0 [ 415.140899] vmbus_sendpacket_mpb_desc+0xb6/0xe0 [ 415.140900] ？ rcu_is_watching+0x12/0x60 [ 415.140902] storvsc_queuecommand+0x669/0xbe0 [hv_storvsc] [ 415.140904] ？HARDIRQ_verbose+0x10/0x10 [ 415.140908] ？ __rq_qos_issue+0x28/0x40 [ 415.140911] scsi_queue_rq+0x760/0xd80 [scsi_mod] [ 415.140926] __blk_mq_issue_directly+0x4a/0xc0 [ 415.140928] blk_mq_issue_direct+0x87/0x2b0 [415.140931] blk_mq_dispatch_queue_requests+0x120/0x440 [ 415.140933] blk_mq_flush_plug_list+0x7a/0x1a0 [415.140935] __blk_flush_plug+0xf4/0x150 [ 415.140940] __submit_bio+0x2b2/0x5c0 [ 415.140944] ？ submit_bio_noacct_nocheck+0x272/0x360 [ 415.140946] submit_bio_noacct_nocheck+0x272/0x360 [ 415.140951] ext4_read_bh_lock+0x3e/0x60 [ext4] [ 415.140995] ext4_block_write_begin+0x396/0x650 [ext4] [ 415.141018] ？
    __pfx_ext4_da_get_block_prep+0x10/0x10 [ext4] [ 415.141038] ext4_da_write_begin+0x1c4/0x350 [ext4] [415.141060] generic_perform_write+0x14e/0x2c0 [ 415.141065] ext4_buffered_write_iter+0x6b/0x120 [ext4] [415.141083] vfs_write+0x2ca/0x570 [ 415.141087] ksys_write+0x76/0xf0 [ 415.141089] do_syscall_64+0x99/0x1490 [ 415.141093] ？ rcu_is_watching+0x12/0x60 [ 415.141095] ？ finish_task_switch.isra.0+0xdf/0x3d0 [ 415.141097] ？ rcu_is_watching+0x12/0x60 [ 415.141098] ？ lock_release+0x1f0/0x2a0 [ 415.141100] ？ rcu_is_watching+0x12/0x60 [ 415.141101] ?finish_task_switch.isra.0+0xe4/0x3d0 [ 415.141103] ？rcu_is_watching+0x12/0x60 [ 415.141104] ？
    __schedule+0xb34/0x1300 [ 415.141106] ？ hrtimer_try_to_cancel+0x1d/0x170 [ 415.141109] ？ do_nanosleep+0x8b/0x160 [ 415.141111] ？ hrtimer_nanosleep+0x89/0x100 [ 415.141114] ？
    __pfx_hrtimer_wakeup+0x10/0x10 [ 415.141116] ？ xfd_validate_state+0x26/0x90 [ 415.141118] ？ rcu_is_watching+0x12/0x60 [ 415.141120] ？ do_syscall_64+0x1e0/0x1490 [ 415.141121] ？ do_syscall_64+0x1e0/0x1490 [ 415.141123] ？ rcu_is_watching+0x12/0x60 [ 415.141124] ？ do_syscall_64+0x1e0/0x1490 [ 415.141125] ？ do_syscall_64+0x1e0/0x1490 [ 415.141127] ？ irqentry_exit+0x140/0 ---truncated--- （CVE-2026-43475）

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-2026-43475

medium Nessus Plugin ID 313376

版本 1.8