{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43475",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:56.011Z",
        "datePublished": "2026-05-08T14:22:33.553Z",
        "dateUpdated": "2026-05-11T22:25:19.772Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:25:19.772Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: storvsc: Fix scheduling while atomic on PREEMPT_RT\n\nThis resolves the follow splat and lock-up when running with PREEMPT_RT\nenabled on Hyper-V:\n\n[  415.140818] BUG: scheduling while atomic: stress-ng-iomix/1048/0x00000002\n[  415.140822] INFO: lockdep is turned off.\n[  415.140823] Modules linked in: 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_common 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\n[  415.140846] Preemption disabled at:\n[  415.140847] [<ffffffffc0656171>] storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[  415.140854] CPU: 8 UID: 0 PID: 1048 Comm: stress-ng-iomix Not tainted 6.19.0-rc7 #30 PREEMPT_{RT,(full)}\n[  415.140856] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 09/04/2024\n[  415.140857] Call Trace:\n[  415.140861]  <TASK>\n[  415.140861]  ? storvsc_queuecommand+0x2e1/0xbe0 [hv_storvsc]\n[  415.140863]  dump_stack_lvl+0x91/0xb0\n[  415.140870]  __schedule_bug+0x9c/0xc0\n[  415.140875]  __schedule+0xdf6/0x1300\n[  415.140877]  ? rtlock_slowlock_locked+0x56c/0x1980\n[  415.140879]  ? rcu_is_watching+0x12/0x60\n[  415.140883]  schedule_rtlock+0x21/0x40\n[  415.140885]  rtlock_slowlock_locked+0x502/0x1980\n[  415.140891]  rt_spin_lock+0x89/0x1e0\n[  415.140893]  hv_ringbuffer_write+0x87/0x2a0\n[  415.140899]  vmbus_sendpacket_mpb_desc+0xb6/0xe0\n[  415.140900]  ? rcu_is_watching+0x12/0x60\n[  415.140902]  storvsc_queuecommand+0x669/0xbe0 [hv_storvsc]\n[  415.140904]  ? HARDIRQ_verbose+0x10/0x10\n[  415.140908]  ? __rq_qos_issue+0x28/0x40\n[  415.140911]  scsi_queue_rq+0x760/0xd80 [scsi_mod]\n[  415.140926]  __blk_mq_issue_directly+0x4a/0xc0\n[  415.140928]  blk_mq_issue_direct+0x87/0x2b0\n[  415.140931]  blk_mq_dispatch_queue_requests+0x120/0x440\n[  415.140933]  blk_mq_flush_plug_list+0x7a/0x1a0\n[  415.140935]  __blk_flush_plug+0xf4/0x150\n[  415.140940]  __submit_bio+0x2b2/0x5c0\n[  415.140944]  ? submit_bio_noacct_nocheck+0x272/0x360\n[  415.140946]  submit_bio_noacct_nocheck+0x272/0x360\n[  415.140951]  ext4_read_bh_lock+0x3e/0x60 [ext4]\n[  415.140995]  ext4_block_write_begin+0x396/0x650 [ext4]\n[  415.141018]  ? __pfx_ext4_da_get_block_prep+0x10/0x10 [ext4]\n[  415.141038]  ext4_da_write_begin+0x1c4/0x350 [ext4]\n[  415.141060]  generic_perform_write+0x14e/0x2c0\n[  415.141065]  ext4_buffered_write_iter+0x6b/0x120 [ext4]\n[  415.141083]  vfs_write+0x2ca/0x570\n[  415.141087]  ksys_write+0x76/0xf0\n[  415.141089]  do_syscall_64+0x99/0x1490\n[  415.141093]  ? rcu_is_watching+0x12/0x60\n[  415.141095]  ? finish_task_switch.isra.0+0xdf/0x3d0\n[  415.141097]  ? rcu_is_watching+0x12/0x60\n[  415.141098]  ? lock_release+0x1f0/0x2a0\n[  415.141100]  ? rcu_is_watching+0x12/0x60\n[  415.141101]  ? finish_task_switch.isra.0+0xe4/0x3d0\n[  415.141103]  ? rcu_is_watching+0x12/0x60\n[  415.141104]  ? __schedule+0xb34/0x1300\n[  415.141106]  ? hrtimer_try_to_cancel+0x1d/0x170\n[  415.141109]  ? do_nanosleep+0x8b/0x160\n[  415.141111]  ? hrtimer_nanosleep+0x89/0x100\n[  415.141114]  ? __pfx_hrtimer_wakeup+0x10/0x10\n[  415.141116]  ? xfd_validate_state+0x26/0x90\n[  415.141118]  ? rcu_is_watching+0x12/0x60\n[  415.141120]  ? do_syscall_64+0x1e0/0x1490\n[  415.141121]  ? do_syscall_64+0x1e0/0x1490\n[  415.141123]  ? rcu_is_watching+0x12/0x60\n[  415.141124]  ? do_syscall_64+0x1e0/0x1490\n[  415.141125]  ? do_syscall_64+0x1e0/0x1490\n[  415.141127]  ? irqentry_exit+0x140/0\n---truncated---"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/storvsc_drv.c"
                    ],
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                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/storvsc_drv.c"
                    ],
                    "versions": [
                        {
                            "version": "4.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
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                        },
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                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.167",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
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                        },
                        {
                            "version": "6.12.78",
                            "lessThanOrEqual": "6.12.*",
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                        },
                        {
                            "version": "6.18.19",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.9",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cf00cb15f2515e38d3b7571bf6800b7c6ce70a84"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b82462af23e45e066dd56d2736ea70159a6ad647"
                },
                {
                    "url": "https://git.kernel.org/stable/c/91ab59f76d0866079420ebff1c7959fcd87a242e"
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                {
                    "url": "https://git.kernel.org/stable/c/e7919a293f9b6101e38bde0d8613daea6c9955df"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f8db760f4f52a73a022a3d6c84c488ead952a9b5"
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                    "url": "https://git.kernel.org/stable/c/c2e73d8acd056347a70047e6be7cd98e0e811dfa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c7984d196476adcbd51c0ce386d7e90277198d57"
                },
                {
                    "url": "https://git.kernel.org/stable/c/57297736c08233987e5d29ce6584c6ca2a831b12"
                }
            ],
            "title": "scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT",
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}