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().
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade 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-gcp-64k-lts-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-56-lowlatencyUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-6.8.0-1026-gcp-64kUpgrade linux-image-lowlatencyUpgrade linux-image-oem-22.04dUpgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-oem-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1022-oracle-64kUpgrade linux-image-gkeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1025-azure-fdeUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-raspiUpgrade linux-image-genericUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1022-oracleUpgrade linux-image-oracleUpgrade linux-image-6.8.0-56-genericUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1025-azureUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1021-gkeUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1024-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1026-gcpUpgrade linux-image-6.8.0-57-genericUpgrade linux-image-gkeop-6.8Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.11.0-1009-awsUpgrade linux-image-realtimeUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.8.0-1024-nvidia-lowlatencyUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-6.8.0-1024-nvidia-64kUpgrade linux-image-gcpUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-56-lowlatency-64kUpgrade linux-image-ibmUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-56-generic-64kUpgrade linux-image-virtualUpgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1024-nvidiaUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.8.0-1022-ibmUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.1-1018-realtimeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-azureUpgrade linux-image-awsUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-1008-gkeopUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-57-generic-64kUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-azure-nvidiaUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-ibm-classicUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1024-oemUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-6.8.0-1025-awsUpgrade linux-image-virtual-hwe-22.04 | Feb 20, 2025 | Oct 21, 2024 |
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