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CVE-2021-47258 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix error handling of scsi_host_alloc() After device is initialized via device_initialize(), or its name is set via dev_set_name(), the device has to be freed via put_device(). Otherwise device name will be leaked because it is allocated dynamically in dev_set_name(). Fix the leak by replacing kfree() with put_device(). Since scsi_host_dev_release() properly handles IDA and kthread removal, remove special-casing these from the error handling as well.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

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

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Hyperlink Resource
https://git.kernel.org/stable/c/2dc85045ae65b9302a1d2e2ddd7ce4c030153a6a
https://git.kernel.org/stable/c/2dc85045ae65b9302a1d2e2ddd7ce4c030153a6a
https://git.kernel.org/stable/c/45d83db4728127944b237c0c8248987df9d478e7
https://git.kernel.org/stable/c/45d83db4728127944b237c0c8248987df9d478e7
https://git.kernel.org/stable/c/66a834d092930cf41d809c0e989b13cd6f9ca006
https://git.kernel.org/stable/c/66a834d092930cf41d809c0e989b13cd6f9ca006
https://git.kernel.org/stable/c/79296e292d67fa7b5fb8d8c27343683e823872c8
https://git.kernel.org/stable/c/79296e292d67fa7b5fb8d8c27343683e823872c8
https://git.kernel.org/stable/c/7a696ce1d5d16a33a6cd6400bbcc0339b2460e11
https://git.kernel.org/stable/c/7a696ce1d5d16a33a6cd6400bbcc0339b2460e11
https://git.kernel.org/stable/c/8958181c1663e24a13434448e7d6b96b5d04900a
https://git.kernel.org/stable/c/8958181c1663e24a13434448e7d6b96b5d04900a
https://git.kernel.org/stable/c/db08ce595dd64ea9859f7d088b51cbfc8e685c66
https://git.kernel.org/stable/c/db08ce595dd64ea9859f7d088b51cbfc8e685c66

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47258
NVD Published Date:
05/21/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org