CVE-2026-64321
linux: In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on qu...
CVE-2026-64321 is fixed in 50 products on 1 platform, first by DEBIAN-CVE-2026-64321, released July 26, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.0
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0012
2nd percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.38.1.160000.2.22 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.38.1.160000.2.23 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-206.104.3.3.el9uek | ELSA-2026-500248 | Sep 4, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.38.1 | OPENSUSE-SU-2026:21910-1 | Sep 22, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.38.1 | SUSE-SU-2026:23902-1 | Sep 22, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.96-1 | DEBIAN-CVE-2026-64321 | Jul 26, 2026 |
| linux · Debian 14 | 7.1.4-1 | DEBIAN-CVE-2026-64321 | Jul 26, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.100-1~deb12u1 | DEBIAN-CVE-2026-64321 | Jul 26, 2026 |
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