CVE-2026-98143
kernel: accel: ethosu: Don't read the U65 rounding mode as a storage mode
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 25, 2026
Updated · September 29, 2026
Description
A flaw was found in the Linux kernel's Arm Ethos-U neural processing unit (NPU) accelerator driver. The command stream parser incorrectly interprets hardware rounding mode fields as storage mode parameters on certain device models. A local user can exploit this vulnerability by submitting specific command streams, causing command processing to fail or triggering improper feature map calculations, leading to a denial of service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-115 · Misinterpretation of Input