CVE-2026-53337
kernel: net: bonding: fix NULL pointer dereference in bond_do_ioctl()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 1, 2026
Updated · July 24, 2026
Description
A flaw was found in the Linux kernel's bonding interface. A local user with CAP_NET_ADMIN capability can trigger a NULL pointer dereference by calling a bonding ioctl (input/output control) with a non-existent slave interface name. This vulnerability can lead to a kernel oops, resulting in a local 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