Security Advisory

CVE-2021-47480

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-05-22 08:19:32

Last updated 2026-05-11 13:55:30

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Put LLD module refcnt after SCSI device is released SCSI host release is triggered when SCSI device is freed. We have to make sure that the low-level device driver module wont be unloaded before SCSI host instance is released because shost->hostt is required in the release handler. Make sure to put LLD module refcnt after SCSI device is released. Fixes a kernel panic of BUG: unable to handle page fault for address reported by Changhui and Yi.

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