SB20250226330 - Out-of-bounds read in Linux kernel scsi lpfc driver



SB20250226330 - Out-of-bounds read in Linux kernel scsi lpfc driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226330
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) Out-of-bounds read (CVE-ID: CVE-2022-49504)

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

The vulnerability exists due to an out-of-bounds read error within the lpfc_sli_issue_abort_iotag(), lpfc_sli_abort_taskmgmt() and lpfc_sli4_issue_abort_iotag() functions in drivers/scsi/lpfc/lpfc_sli.c, within the lpfc_linkdown() function in drivers/scsi/lpfc/lpfc_hbadisc.c, within the lpfc_issue_els_flogi() and lpfc_els_rcv_flogi() functions in drivers/scsi/lpfc/lpfc_els.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.