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CVE-2025-68302

kernel: Linux kernel sxgbe driver: Denial of Service due to null pointer dereference

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · August 14, 2026

Description

A flaw was found in the Linux kernel's sxgbe network driver. This vulnerability occurs in the sxgbe_rx() function when a socket buffer (skb) is unexpectedly null. This condition can lead to a null pointer dereference, which could cause the system to crash. This results in a Denial of Service (DoS) for affected systems.

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 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference