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CVE Record

CVE-2024-26917: scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock"

In the Linux kernel, the following vulnerability has been resolved: scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock" This reverts commit 1a1975551943f681772720f639ff42fbaa746212. This commit causes interrupts to be lost for FCoE devices, since it changed sping locks from "bh" to "irqsave". Instead, a work queue should be used, and will be addressed in a separate commit.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue affects Fibre Channel over Ethernet storage handling. A prior deadlock fix changed locking behavior and could cause FCoE device interrupts to be lost. The likely business risk is storage disruption on systems using FCoE, not broad internet-facing compromise.

Executive priority

Treat as targeted infrastructure maintenance unless your environment depends on FCoE storage. Prioritize affected storage hosts because lost device interrupts can create service disruption even without evidence of active exploitation.

Technical view

CVE-2024-26917 reverts Linux kernel commit 1a1975551943 because changing FCoE controller locking from bh to irqsave caused lost interrupts. Sources describe the resolution as reverting that change, with a work queue intended separately. No CVSS, CWE, or exploit mechanics are provided.

Likely exposure

Exposure is most relevant to Linux systems using FCoE storage devices and affected kernel builds or downstream packages. Systems without FCoE usage are less likely to be materially affected based on the supplied description.

Exploitation context

The source bundle does not show active exploitation, and KEV is false. The issue appears to be an availability or reliability defect triggered by kernel behavior around FCoE interrupts rather than a documented remote attack path.

Researcher notes

Evidence is limited to the kernel CVE text, stable commit references, and Debian LTS announcements. The bundle provides no CVSS vector, CWE, proof of exploitability, or detailed affected-version range semantics beyond listed kernel versions and commits.

Mitigation direction

  • Check the kernel or distribution advisory for fixed packages or backported commits.
  • Prioritize updates for Linux hosts using FCoE-attached storage.
  • Apply vendor-supported kernel updates rather than manually changing locking behavior.
  • Review Debian LTS advisories if running affected Debian kernel packages.

Validation and detection

  • Inventory Linux kernel versions on hosts that use FCoE storage.
  • Confirm whether FCoE drivers or devices are present on production systems.
  • Compare installed kernels against vendor advisories and referenced stable commits.
  • After updating, validate FCoE storage paths and host stability under normal load.
Prepared
Confidence
medium
Sources
12

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

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2024-26917 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
3Timeline events
2ADP providers
11Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux264eae2f523d2aae38188facb4ece893023f25da, d2bf25674cea74b865d367d09be5dfe9aff5922a, 9cce8ef7a6fa858bbcacd8679a5ca5a4fd3a6df3, 076fb40cf27ab9232d8cce1f007e663e46705302, 5a5fb3b1754fa2b4db95f0151b4af0fb6f8918ec, 1a1975551943f681772720f639ff42fbaa746212, 1a1975551943f681772720f639ff42fbaa746212, 1a1975551943f681772720f639ff42fbaa746212, 4ea46b479a00dd232f0dbc81fdc27f9330ecb3ad, 694ddc5bf35a5b6f9acb6e4724324c910a1237f1, 6c5d7242bcf2154e9576e5eb2a98c6984ca5ea9a, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 4.14.326, 6.4.16, 6.5.3unaffected
LinuxLinux6.6, 0, 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.79, 6.6.18, 6.7.6, 6.8affected
Weakness

CWE details

No CWE listed

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