Skip to content
CVE PROGRAM SOURCE RECORDUnscored

CVE-2021-47045

scsi: lpfc: Fix null pointer dereference in lpfc_prep_els_iocb()

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 4430f7fd09ecb037570119e0aacbf0c17b8f98b2 to < a09677de458d500b00701f6036baa423d9995408affected
  • 4430f7fd09ecb037570119e0aacbf0c17b8f98b2 to < 9bdcfbed2a9fe24d2c7eaa1bad7c705e18de8cc7affected
  • 4430f7fd09ecb037570119e0aacbf0c17b8f98b2 to < 8dd1c125f7f838abad009b64bff5f0a11afe3cb6affected

Linux Linux

Default version status: affected

  • 5.11affected
  • 0 to < 5.11unaffected
  • 5.11.21 to ≤ 5.11.*unaffected
  • 5.12.4 to ≤ 5.12.*unaffected
  • 5.13 to ≤ *unaffected

References