cve-2024-50025
Vulnerability from cvelistv5
Published
2024-10-21 19:39
Modified
2024-12-19 09:31
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: fnic: Move flush_work initialization out of if block After commit 379a58caa199 ("scsi: fnic: Move fnic_fnic_flush_tx() to a work queue"), it can happen that a work item is sent to an uninitialized work queue. This may has the effect that the item being queued is never actually queued, and any further actions depending on it will not proceed. The following warning is observed while the fnic driver is loaded: kernel: WARNING: CPU: 11 PID: 0 at ../kernel/workqueue.c:1524 __queue_work+0x373/0x410 kernel: <IRQ> kernel: queue_work_on+0x3a/0x50 kernel: fnic_wq_copy_cmpl_handler+0x54a/0x730 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24] kernel: fnic_isr_msix_wq_copy+0x2d/0x60 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24] kernel: __handle_irq_event_percpu+0x36/0x1a0 kernel: handle_irq_event_percpu+0x30/0x70 kernel: handle_irq_event+0x34/0x60 kernel: handle_edge_irq+0x7e/0x1a0 kernel: __common_interrupt+0x3b/0xb0 kernel: common_interrupt+0x58/0xa0 kernel: </IRQ> It has been observed that this may break the rediscovery of Fibre Channel devices after a temporary fabric failure. This patch fixes it by moving the work queue initialization out of an if block in fnic_probe().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b7836b80061bf1accc5d78b12bc086aed252388Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f30e5f77d2f205ac14d09dec40fd4bb76712f13dPatch
Impacted products
Vendor Product Version
Linux Linux Version: 379a58caa19930e010b7efa1c1f3b9411d3d2ca3
Version: 379a58caa19930e010b7efa1c1f3b9411d3d2ca3
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   Linux Linux Version: 6.8
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                "id": "CVE-2024-50025",
                "options": [
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                    "Automatable": "no"
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                "timestamp": "2024-10-22T13:26:53.078526Z",
                "version": "2.0.3"
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            "drivers/scsi/fnic/fnic_main.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: fnic: Move flush_work initialization out of if block\n\nAfter commit 379a58caa199 (\"scsi: fnic: Move fnic_fnic_flush_tx() to a\nwork queue\"), it can happen that a work item is sent to an uninitialized\nwork queue.  This may has the effect that the item being queued is never\nactually queued, and any further actions depending on it will not\nproceed.\n\nThe following warning is observed while the fnic driver is loaded:\n\nkernel: WARNING: CPU: 11 PID: 0 at ../kernel/workqueue.c:1524 __queue_work+0x373/0x410\nkernel:  \u003cIRQ\u003e\nkernel:  queue_work_on+0x3a/0x50\nkernel:  fnic_wq_copy_cmpl_handler+0x54a/0x730 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]\nkernel:  fnic_isr_msix_wq_copy+0x2d/0x60 [fnic 62fbff0c42e7fb825c60a55cde2fb91facb2ed24]\nkernel:  __handle_irq_event_percpu+0x36/0x1a0\nkernel:  handle_irq_event_percpu+0x30/0x70\nkernel:  handle_irq_event+0x34/0x60\nkernel:  handle_edge_irq+0x7e/0x1a0\nkernel:  __common_interrupt+0x3b/0xb0\nkernel:  common_interrupt+0x58/0xa0\nkernel:  \u003c/IRQ\u003e\n\nIt has been observed that this may break the rediscovery of Fibre\nChannel devices after a temporary fabric failure.\n\nThis patch fixes it by moving the work queue initialization out of\nan if block in fnic_probe()."
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    "dateReserved": "2024-10-21T12:17:06.065Z",
    "dateUpdated": "2024-12-19T09:31:36.120Z",
    "state": "PUBLISHED"
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}


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