{"id":"CVE-2025-40342","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: use lock accessing port_state and rport state\n\nnvme_fc_unregister_remote removes the remote port on a lport object at\nany point in time when there is no active…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: use lock accessing port_state and rport state\n\nnvme_fc_unregister_remote removes the remote port on a lport object at\nany point in time when there is no active…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","published":"2025-12-09","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:10:00.183","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-40342","references":[{"url":"https://git.kernel.org/stable/c/25f4bf1f7979a7871974fd36c79d69ff1cf4b446","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4253e0a4546138a2bf9cb6acf66b32fee677fc7c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/891cdbb162ccdb079cd5228ae43bdeebce8597ad","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9950af4303942081dc8c7a5fdc3688c17c7eb6c0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a2f7fa75c4a2a07328fa22ccbef461db76790b55","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/de3d91af47bc015031e7721b100a29989f6498a5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e8cde03de8674b05f2c5e0870729049eba517800","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00366,"epssPercentile":0.2875,"ingestedAt":"2026-10-14T21:57:04.738Z","slug":"CVE-2025-40342","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: use lock accessing port_state and rport state\n\nnvme_fc_unregister_remote removes the remote port on a lport object at\nany point in time when there is no active association. This races with\nwith the reconnect logic, because nvme_fc_create_association is not\ntaking a lock to check the port_state and atomically increase the\nactive count on the rport.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}