CVE Database›CVE-2026-31546

CVE-2026-31546

kernel: net: bonding: fix NULL deref in bond_debug_rlb_hash_show

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 24, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's networking bonding driver. This vulnerability occurs when the bond_debug_rlb_hash_show function attempts to access a network interface that has been unassigned, leading to a NULL pointer dereference. A local attacker with appropriate permissions could exploit this flaw to trigger a kernel crash, resulting in a Denial of Service (DoS) for the affected system.

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-476 · NULL Pointer Dereference