CVE Database›Document archive›CVE-2026-97570

CVE-2026-97570

kernel: bnxt_en: Bound SW TPA IDs to prevent crashes

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 25, 2026

Updated · September 29, 2026

Description

A flaw was found in the Broadcom NetXtreme-E (bnxt_en) driver in the Linux kernel. Due to improper bounds checking when mapping firmware Transparent Packet Aggregation (TPA) identifiers, software aggregation IDs can exceed the allocated memory for receive structures. During packet reception, this issue causes the driver to perform an out-of-bounds memory access. An attacker capable of sending network traffic to the affected system can trigger this flaw to crash the kernel, resulting in 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-787 · Out-of-bounds Write