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CVE-2021-47045

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CVE-2021-47045

Published: Feb 28, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null pointer dereference in lpfc_prep_els_iocb() It is possible to call lpfc_issue_els_plogi() passing a did for which no matching ndlp is found. A call is then made to lpfc_prep_els_iocb() with a null pointer to a lpfc_nodelist structure resulting in a null pointer dereference. Fix by returning an error status if no valid ndlp is found. Fix up comments regarding ndlp reference counting.

VendorProductVersions

Linux

Linux

affected
4430f7fd09ecb037570119e0aacbf0c17b8f98b2 - < a09677de458d500b00701f6036baa423d9995408
affected
4430f7fd09ecb037570119e0aacbf0c17b8f98b2 - < 9bdcfbed2a9fe24d2c7eaa1bad7c705e18de8cc7
affected
4430f7fd09ecb037570119e0aacbf0c17b8f98b2 - < 8dd1c125f7f838abad009b64bff5f0a11afe3cb6

Linux

Linux

affected
5.11
unaffected
0 - < 5.11
unaffected
5.11.21 - <= 5.11.*
unaffected
5.12.4 - <= 5.12.*
unaffected
5.13 - <= *

References

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