SB20260928288 - Improper input validation in Linux kernel accel ethosu driver
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928288
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2026-97911)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to compromise confidentiality, integrity, and availability.
The vulnerability exists due to improper input validation in the Ethos-U job submission ioctl when submitting a job with a zero SRAM size and SRAM accesses in its command stream. A local user can submit a crafted job command stream to compromise confidentiality, integrity, and availability.
Remediation
Install update from vendor's website.