Answer in brief
CVE-2026-64321 records a Unknown severity vulnerability in nvme: target: rdma: fix ndev refcount leak on queue connect. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=31deaeb11ba7a885116c9c30892b9f763c04d59c <d65fe42820b890a6a4644de0a95a812471f79ad3 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <a8803c4f0ac3fa7df5551bbb5a8800c434a94357 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <5828517d17eda27f21d29ea14800c9e0a57bad11 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <badc53620fe813b3a9f727ef9526f98567c2c898 | d65fe42820b890a6a4644de0a95a812471f79ad3, a8803c4f0ac3fa7df5551bbb5a8800c434a94357, 5828517d17eda27f21d29ea14800c9e0a57bad11, badc53620fe813b3a9f727ef9526f98567c2c898 |
| Linux/Linuxgeneric | 6.8 | Not reported |
Published upstream
Jul 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 11, 2026
In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmet_rdma_queue_connect() calls nvmet_rdma_find_get_device() which acquires a reference on the returned ndev via kref_get(). On the path where the host queue backlog is exceeded and the function returns NVME_SC_CONNECT_CTRL_BUSY, reference of ndev is not released, leaking the kref. Fix this by adding a goto to the existing put_device label before the early return.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-64321 records a Unknown severity vulnerability in nvme: target: rdma: fix ndev refcount leak on queue connect. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=31deaeb11ba7a885116c9c30892b9f763c04d59c <d65fe42820b890a6a4644de0a95a812471f79ad3 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <a8803c4f0ac3fa7df5551bbb5a8800c434a94357 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <5828517d17eda27f21d29ea14800c9e0a57bad11 || >=31deaeb11ba7a885116c9c30892b9f763c04d59c <badc53620fe813b3a9f727ef9526f98567c2c898 | d65fe42820b890a6a4644de0a95a812471f79ad3, a8803c4f0ac3fa7df5551bbb5a8800c434a94357, 5828517d17eda27f21d29ea14800c9e0a57bad11, badc53620fe813b3a9f727ef9526f98567c2c898 |
| Linux/Linuxgeneric | 6.8 | Not reported |
Published upstream
Jul 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 11, 2026
In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmet_rdma_queue_connect() calls nvmet_rdma_find_get_device() which acquires a reference on the returned ndev via kref_get(). On the path where the host queue backlog is exceeded and the function returns NVME_SC_CONNECT_CTRL_BUSY, reference of ndev is not released, leaking the kref. Fix this by adding a goto to the existing put_device label before the early return.
Quoted source text, attributed separately from HOL analysis.