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CVE-2021-47480 Detail

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 won't 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.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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Hyperlink Resource
https://git.kernel.org/stable/c/1105573d964f7b78734348466b01f5f6ba8a1813
https://git.kernel.org/stable/c/1ce287eff9f23181d5644db787f472463a61f68b
https://git.kernel.org/stable/c/61a0faa89f21861d1f8d059123b5c285a5d9ffee
https://git.kernel.org/stable/c/7b57c38d12aed1b5d92f74748bed25e0d041729f
https://git.kernel.org/stable/c/8e4814a461787e15a31d322d9efbe0d4f6822428
https://git.kernel.org/stable/c/c2df161f69fb1c67f63adbd193368b47f511edc0
https://git.kernel.org/stable/c/f2b85040acec9a928b4eb1b57a989324e8e38d3f
https://git.kernel.org/stable/c/f30822c0b4c35ec86187ab055263943dc71a6836

Weakness Enumeration

CWE-ID CWE Name Source

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47480
NVD Published Date:
05/22/2024
NVD Last Modified:
05/22/2024
Source:
kernel.org