CVE-2026-98808

kernel: net: systemport: Fix buffer overflow in bcm_sysport_get_stats()

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Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · October 18, 2026

Updated · October 24, 2026

Description

A flaw was found in the Linux kernel's Broadcom SYSTEMPORT driver. This vulnerability can lead to a Denial of Service (DoS) or memory corruption when a local user queries network device statistics on systems with SYSTEMPORT Lite hardware. Due to improper buffer indexing when handling unsupported statistics, the driver writes past the allocated array boundaries, resulting in a system crash.

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 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-787 · Out-of-bounds Write