CVE-2025-40171Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's nvmet-fc component, which handles Non-Volatile Memory Express (NVMe) over Fibre Channel. A local attacker with low privileges could exploit a resource management issue. This flaw occurs when multiple …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the vendor's CSAF advisory record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.5%
Last analysed / modified upstream
7.5 → 5.5
high → medium
A flaw was found in the Linux kernel's nvmet-fc component, which handles Non-Volatile Memory Express (NVMe) over Fibre Channel. A local attacker with low privileges could exploit a resource management issue. This flaw occurs when multiple asynchronous commands are processed, leading to a leaked reference. This can result in a Denial of Service (DoS), making the system unavailable.
kernel: Kernel: Denial of Service in nvmet-fc due to resource leak — rated Moderate by Red Hat. Released 2025-11-12, updated 2026-10-16.
Affected:
No fix planned:
Not affected:
Fix deferred
Workarounds / mitigations:
/etc/modprobe.d/blacklist-nvmet-fc.conf with the following content:blacklist nvmet-fc
install nvmet-fc /bin/true
After creating the file, regenerate the initramfs and reboot the system for the changes to take effect. This may impact systems that rely on NVMe over Fibre Channel for storage operations. A system reboot is required for …
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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