SB20260928290 - Improper input validation in Linux kernel accel ethosu driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper input validation (CVE-ID: CVE-2026-97913)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper input validation in the Ethos-U command stream validation routine when processing a command stream that does not end with a stop operation. A local user can submit a crafted command stream without a terminating stop operation to cause a denial of service.

The hardware may not generate the interrupt required to prevent a timeout.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/bf957f166f7ba548034db2a10e63f71df97f12e2
• https://git.kernel.org/stable/c/eb3a41fd35e352fba387c4320a1fa0352f3e551c