CVE-2026-31546
kernel: net: bonding: fix NULL deref in bond_debug_rlb_hash_show
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference