CVE-2021-47045

medium

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.

References

https://git.kernel.org/stable/c/a09677de458d500b00701f6036baa423d9995408

https://git.kernel.org/stable/c/9bdcfbed2a9fe24d2c7eaa1bad7c705e18de8cc7

https://git.kernel.org/stable/c/8dd1c125f7f838abad009b64bff5f0a11afe3cb6

Details

Source: Mitre, NVD

Published: 2024-02-28

Updated: 2024-12-06

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium