CVE-2026-64003

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Run queues for all non-SDEV_DEL devices from scsi_run_host_queues While a SCSI host is in a recovery state, scsi_mq_requeue_cmd() will not set the requeue list for a requeued command to be kicked in the future. The expectation is a call to scsi_run_host_queues() will kick all SCSI devices once the recovery state is cleared. However, scsi_run_host_queues() uses shost_for_each_device() which uses scsi_device_get() and so will ignore devices in a partially removed state like SDEV_CANCEL. But these devices may also have requeued requests, leaving their requests stuck from not being kicked and causing the removal process of the device to hang. scsi_run_host_queues() needs to run against more devices than the macro shost_for_each_device() allows. Instead of using the too limiting scsi_device_get() state checks, only ignore devices in SDEV_DEL state or when unable to acquire a reference. Attempt to run the queues for all other devices when scsi_run_host_queues() is called.

• CWE-772
• CWE-400

• https://git.kernel.org/stable/c/15fb19af49f2073ed77fad16aaabc648b0ca6800Patch
• https://git.kernel.org/stable/c/475f2b37a78f4c698967a7f14f325f04e24c9175Patch
• https://git.kernel.org/stable/c/7205b58702273baf21d6ba7992e6ba15852325f7Patch
• https://git.kernel.org/stable/c/c740e13e7fe32d8e4d9a1699f65b8daf6709895aPatch
• https://git.kernel.org/stable/c/d4dddfecdbb5467bef158d4e1486459808357fefPatch

Published

Jul 19, 2026

Last Modified

Oct 19, 2026

Status

Modified

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