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CVE Record

CVE-2017-18379: In the Linux kernel before 4.14, an out of boundary access happened in drivers/nvme/target/fc.c.

In the Linux kernel before 4.14, an out of boundary access happened in drivers/nvme/target/fc.c.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Older Linux kernels had a memory-boundary bug in the NVMe over Fibre Channel target driver. The provided sources do not establish active exploitation or a severity score. Business urgency depends on whether affected systems run kernels before 4.14 and expose this storage-target functionality without vendor backports.

Executive priority

Prioritize affected storage infrastructure and appliances over general Linux assets. Without exploitation evidence or severity data, handle through risk-based patch management, with faster action where legacy kernels support Fibre Channel storage services.

Technical view

CVE-2017-18379 is an out-of-bounds access issue in drivers/nvme/target/fc.c in the Linux kernel before 4.14. The source bundle identifies an upstream Linux commit but provides no CVSS, CWE, prerequisites, impact details, or exploitability conditions.

Likely exposure

Exposure is most plausible on Linux systems using kernels before 4.14 with NVMe target over Fibre Channel code present and reachable. Vendor kernels may be patched through backports, so version alone is not definitive.

Exploitation context

The bundle marks CISA KEV as false and provides no cited evidence of active exploitation, public exploit use, or weaponized details. Treat this as a verification and patch-status issue unless vendor guidance indicates higher urgency.

Researcher notes

The public record is sparse. Key unknowns include attacker position, required privileges, exact impact, and whether reachable configurations are common. Avoid assuming all pre-4.14 kernels are exploitable because downstream vendors may have backported the upstream fix.

Mitigation direction

  • Identify systems running Linux kernels before 4.14.
  • Check whether NVMe target Fibre Channel functionality is enabled or used.
  • Confirm whether vendor kernel packages include the upstream fix or backport.
  • Apply vendor-supported kernel updates containing the fix.
  • Review F5 advisory K74012105 for product-specific exposure guidance.

Validation and detection

  • Inventory kernel versions and vendor kernel build identifiers.
  • Map systems using NVMe over Fibre Channel target roles.
  • Verify whether commit 0c319d3a144d4b8f1ea2047fd614d2149b68f889 is present or backported.
  • Check vendor advisories for patched package status.
  • Document systems where the vulnerable driver path is not present or not used.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2017-18379 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.