{"id":"CVE-2026-64321","title":"nvme: target: rdma: fix ndev refcount leak on queue connect","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: target: rdma: fix ndev refcount leak on queue connect\n\nnvmet_rdma_queue_connect() calls nvmet_rdma_find_get_device() which\nacquires a reference on the returned nd…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 28877977bbc4f44dd3068b74ee781466c597a3b3 < 204b9645536bb4a77a2cb35e6519dbf9f4ea1665","Linux >= bd3f40fdec552f9200e7b8521ef02b578c9ee8b0 < 00eaa58988d35fd47ca8811f7f72871591f61ffb","Linux >= 85a79da286b65ae2238a22ac901a0039779e613e < 712f3268a62d0df98a7ee991cba963ced2e58007","Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < d65fe42820b890a6a4644de0a95a812471f79ad3","Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < a8803c4f0ac3fa7df5551bbb5a8800c434a94357","Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < 5828517d17eda27f21d29ea14800c9e0a57bad11","Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < badc53620fe813b3a9f727ef9526f98567c2c898","Linux 6.8"],"published":"2026-07-25","updated":"2026-09-14","sourceUpdated":"2026-09-14T11:58:38.599Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64321","references":[{"url":"https://git.kernel.org/stable/c/204b9645536bb4a77a2cb35e6519dbf9f4ea1665"},{"url":"https://git.kernel.org/stable/c/00eaa58988d35fd47ca8811f7f72871591f61ffb"},{"url":"https://git.kernel.org/stable/c/712f3268a62d0df98a7ee991cba963ced2e58007"},{"url":"https://git.kernel.org/stable/c/d65fe42820b890a6a4644de0a95a812471f79ad3"},{"url":"https://git.kernel.org/stable/c/a8803c4f0ac3fa7df5551bbb5a8800c434a94357"},{"url":"https://git.kernel.org/stable/c/5828517d17eda27f21d29ea14800c9e0a57bad11"},{"url":"https://git.kernel.org/stable/c/badc53620fe813b3a9f727ef9526f98567c2c898"}],"tags":["cve.org"],"epss":0.00123,"epssPercentile":0.02346,"ingestedAt":"2026-09-14T15:23:07.457Z","slug":"CVE-2026-64321","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnvme: target: rdma: fix ndev refcount leak on queue connect\n\nnvmet_rdma_queue_connect() calls nvmet_rdma_find_get_device() which\nacquires a reference on the returned ndev via kref_get(). On the path\nwhere the host queue backlog is exceeded and the function returns\nNVME_SC_CONNECT_CTRL_BUSY, reference of ndev is not released, leaking\nthe kref.\n\nFix this by adding a goto to the existing put_device label before the\nearly return.\n\n## Affected\n\n- `Linux >= 28877977bbc4f44dd3068b74ee781466c597a3b3 < 204b9645536bb4a77a2cb35e6519dbf9f4ea1665`\n- `Linux >= bd3f40fdec552f9200e7b8521ef02b578c9ee8b0 < 00eaa58988d35fd47ca8811f7f72871591f61ffb`\n- `Linux >= 85a79da286b65ae2238a22ac901a0039779e613e < 712f3268a62d0df98a7ee991cba963ced2e58007`\n- `Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < d65fe42820b890a6a4644de0a95a812471f79ad3`\n- `Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < a8803c4f0ac3fa7df5551bbb5a8800c434a94357`\n- `Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < 5828517d17eda27f21d29ea14800c9e0a57bad11`\n- `Linux >= 31deaeb11ba7a885116c9c30892b9f763c04d59c < badc53620fe813b3a9f727ef9526f98567c2c898`\n- `Linux 6.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}