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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().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade kernel | Feb 11, 2025 | Oct 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 21, 2024 |
| Ubuntu | — | Upgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-azure-nvidiaUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-awsUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.8.0-1024-oemUpgrade linux-image-oem-24.04aUpgrade linux-image-azureUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-azure-fdeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-ibm-classicUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1025-awsUpgrade linux-image-oem-22.04dUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-57-genericUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-6.8.0-1025-azureUpgrade linux-image-gkeopUpgrade linux-image-gkeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-genericUpgrade linux-image-raspiUpgrade linux-image-oracleUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-6.8.0-1022-oracle-64k | Feb 20, 2025 | Oct 21, 2024 |
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