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CVE-2026-72430

kernel: net/sched: act_ct: fix nf_connlabels leak on two error paths

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · August 15, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's network scheduling component. An unprivileged user with administrative privileges in a network environment can trigger a resource leak. This occurs when specific error handling paths fail to properly release network connection labels. Repeated exploitation of this vulnerability can lead to resource exhaustion, potentially causing a denial of service.

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