CVE-2026-64072

kernel: nvme: fix bio leak on mapping failure

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 19, 2026

Updated · September 4, 2026

Description

A flaw was found in the Linux kernel's Non-Volatile Memory Express (NVMe) subsystem. This vulnerability occurs when an integrity mapping fails, leading to a 'bio' (block I/O) leak. This resource leak can potentially lead to 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