CVE-2025-40342

High

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: use lock accessing port_state and rport state nvme_fc_unregister_remote removes the remote port on a lport object at any point in time when there is no active association. This races with with the reconnect logic, because nvme_fc_create_association is not taking a lock to check the port_state and atomically increase the active count on the rport.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinux
PublishedDec 9, 2025
First seenDec 9, 2025

How to fix

Update
  • Linux Linuxde3d91af47bc015031e7721b100a29989f6498a5, e8cde03de8674b05f2c5e0870729049eba517800, 4253e0a4546138a2bf9cb6acf66b32fee677fc7c, 25f4bf1f7979a7871974fd36c79d69ff1cf4b446, 9950af4303942081dc8c7a5fdc3688c17c7eb6c0, a2f7fa75c4a2a07328fa22ccbef461db76790b55, 891cdbb162ccdb079cd5228ae43bdeebce8597ad or later

Affected products

ProductAffected versionsFixed in
Linux Linuxe399441de9115cd472b8ace6c517708273ca7997 ≤ v < de3d91af47bc015031e7721b100a29989f6498a5, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < e8cde03de8674b05f2c5e0870729049eba517800, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < 4253e0a4546138a2bf9cb6acf66b32fee677fc7c, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < 25f4bf1f7979a7871974fd36c79d69ff1cf4b446, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < 9950af4303942081dc8c7a5fdc3688c17c7eb6c0, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < a2f7fa75c4a2a07328fa22ccbef461db76790b55, e399441de9115cd472b8ace6c517708273ca7997 ≤ v < 891cdbb162ccdb079cd5228ae43bdeebce8597ad, 4.10de3d91af47bc015031e7721b100a29989f6498a5, e8cde03de8674b05f2c5e0870729049eba517800, 4253e0a4546138a2bf9cb6acf66b32fee677fc7c, 25f4bf1f7979a7871974fd36c79d69ff1cf4b446, 9950af4303942081dc8c7a5fdc3688c17c7eb6c0, a2f7fa75c4a2a07328fa22ccbef461db76790b55, 891cdbb162ccdb079cd5228ae43bdeebce8597ad

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