CVE-2026-23399

kernel: nf_tables: nft_dynset: fix possible stateful expression memleak in error path

Loading…

Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 28, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's nf_tables component. This memory leak vulnerability occurs when cloning a stateful expression fails, leading to an unreleased expression. This can result in a Denial of Service (DoS) due to resource exhaustion.

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-772 · Missing Release of Resource after Effective Lifetime