CVEvulnerability

CVE-2021-47045

5.5 MEDIUM Published 2024-02-28 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-02-28
Last modified
2026-06-17
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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 configurations

• linux linux kernel (>= 5.11 < 5.11.21) • linux linux kernel (>= 5.12 < 5.12.4)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References