SB20260928291 - Incorrect Check of Function Return Value in Linux kernel accel ethosu driver



SB20260928291 - Incorrect Check of Function Return Value in Linux kernel accel ethosu driver

Published: September 28, 2026 Updated: September 30, 2026

Security Bulletin ID SB20260928291
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Incorrect Check of Function Return Value (CVE-ID: CVE-2026-97914)

CWE-ID: CWE-253 - Incorrect Check of Function Return Value

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to receive an incorrect success status.

The vulnerability exists due to incorrect handling of a function return value in ethosu_job_open() when initializing a DRM scheduler entity. A local user can open an Ethos-U job file descriptor when scheduler entity initialization fails to receive an incorrect success status.


Remediation

Install update from vendor's website.