SB20240531437 - NULL pointer dereference in Linux kernel scsi ibmvscsi driver

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Main Vulnerability Database SB20240531437

SB20240531437 - NULL pointer dereference in Linux kernel scsi ibmvscsi driver

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531437
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2023-52811)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the ibmvfc_get_event(), ibmvfc_queuecommand(), ibmvfc_bsg_timeout(), ibmvfc_bsg_plogi(), ibmvfc_bsg_request(), ibmvfc_reset_device(), ibmvfc_init_tmf(), ibmvfc_cancel_all_mq(), ibmvfc_abort_task_set(), ibmvfc_tgt_send_prli(), ibmvfc_tgt_send_plogi(), __ibmvfc_tgt_get_implicit_logout_evt(), ibmvfc_tgt_implicit_logout(), ibmvfc_tgt_move_login(), ibmvfc_adisc_timeout(), ibmvfc_tgt_adisc(), ibmvfc_tgt_query_target(), ibmvfc_discover_targets(), ibmvfc_channel_setup(), ibmvfc_channel_enquiry(), ibmvfc_npiv_login() and ibmvfc_npiv_logout() functions in drivers/scsi/ibmvscsi/ibmvfc.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References