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CVE-2026-72128

kernel: nvmet: fix refcount leak in nvmet_sq_create()

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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 nvmet (NVMe over Fabrics target) component of the Linux kernel. This vulnerability occurs in the nvmet_sq_create() function, where a reference to a controller object is not properly released if a specific check fails. An attacker could potentially exploit this reference count leak to exhaust system resources, leading to a denial of service (DoS).

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-911 · Improper Update of Reference Count