SB2025121692 - NULL pointer dereference in Linux kernel nand raw driver



SB2025121692 - NULL pointer dereference in Linux kernel nand raw driver

Published: December 16, 2025

Security Bulletin ID SB2025121692
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-2025-68238)

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

The vulnerability exists due to NULL pointer dereference within the cadence_nand_irq_cleanup() and cadence_nand_init() functions in drivers/mtd/nand/raw/cadence-nand-controller.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.