SB20251226276 - Improper error handling in Linux kernel spi driver



SB20251226276 - Improper error handling in Linux kernel spi driver

Published: December 26, 2025

Security Bulletin ID SB20251226276
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) Improper error handling (CVE-ID: CVE-2025-68746)

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

The vulnerability exists due to improper error handling within the tegra_qspi_handle_error(), tegra_qspi_combined_seq_xfer(), tegra_qspi_non_combined_seq_xfer(), handle_cpu_based_xfer() and tegra_qspi_isr_thread() functions in drivers/spi/spi-tegra210-quad.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.