SB2026020545 - Buffer overflow in Linux kernel scsi qla2xxx driver



SB2026020545 - Buffer overflow in Linux kernel scsi qla2xxx driver

Published: February 5, 2026

Security Bulletin ID SB2026020545
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2026-23059)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the qla27xx_copy_multiple_pkt() and qla27xx_copy_fpin_pkt() functions in drivers/scsi/qla2xxx/qla_isr.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.