Bug 2502626 (CVE-2026-64072)

Summary: CVE-2026-64072 kernel: nvme: fix bio leak on mapping failure
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
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Hardware: All   
OS: Linux   
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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.
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Description OSIDB Bzimport 2026-07-19 17:09:35 UTC
In the Linux kernel, the following vulnerability has been resolved:

nvme: fix bio leak on mapping failure

The local bio is always NULL, so we'd leak the bio if the integrity
mapping failed. Just get it directly from the request.