CVE-2025-40342

nvme-fc: use lock accessing port_state and rport state

CVE-2025-40342 is fixed in 58 products on 1 platform, first by DEBIAN-CVE-2025-40342, released December 9, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0037
30th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
bpftool · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
dtb-aarch64 · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-64kb · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-azure · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-debug · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-default-base · opensuse-leap 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.9.1.160000.2.6 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default-base · sles 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.28.1.150700.17.19.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default-base · sles 16.0 6.12.0-160000.9.1.160000.2.6 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-docs · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-docs · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-docs · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-kvmsmall · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-livepatch-SLE15-SP6_Update_19 · sles 15.6 1-150600.13.3.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:0278-1 Jan 23, 2026
kernel-livepatch-SLE15-SP7_Update_8 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-obs-build · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-build · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-obs-qa · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-source · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-source-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-syms · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-syms · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-syms · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-syms-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-uek · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-container · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-doc · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-doc · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-zfcpdump · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
linux · Debian 12.15 (bookworm) 6.1.159-1 DEBIAN-CVE-2025-40342 Dec 9, 2025
linux · Debian 13.5 (trixie) 6.12.63-1 DEBIAN-CVE-2025-40342 Dec 9, 2025
linux · Debian 14 6.17.8-1 DEBIAN-CVE-2025-40342 Dec 9, 2025

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