Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - scsi：storvsc：修复原子启动 PREEMPT_RT 时的计划 这解决了在 Hyper-V 上启用 PREEMPT_RT 的情况下运行时发生的以下崩溃和锁定：[ 415.140818] 缺陷：原子时的计划：stress-ng-iomix/1048/0x00000002 [ 415.140822] INFO：lockdep 已关闭。 [ 415.140823] 模块链接于：
    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] Preemption 禁用：[ 415.140847]<ffffffffc0656171> [] storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc] [ 415.140854] CPU：8 UID：0 PID：1048 通信： stress-ng-iomix 未受感染 6.19.0-rc7 #30 PREEMPT_{RT，（full）} [ 415.140856] 硬件名称：
    Microsoft Corporation 虚拟机/虚拟机，BIOS Hyper-V UEFI 版本 v4.1 2024 年 9 月 4 日 [415.140857] 调用跟踪：[ 415.140861] [ 415.140861<TASK> ] ？ 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）

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2026-43475

medium Nessus 插件 ID 313376

版本 1.8