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CVE Record

CVE-2023-54014: scsi: qla2xxx: Check valid rport returned by fc_bsg_to_rport()

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Check valid rport returned by fc_bsg_to_rport() Klocwork reported warning of rport maybe NULL and will be dereferenced. rport returned by call to fc_bsg_to_rport() could be NULL and dereferenced. Check valid rport returned by fc_bsg_to_rport().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2023-54014 is a Linux kernel bug in the SCSI qla2xxx driver. A kernel code path could dereference a missing remote-port object, which can cause a crash if the path is reachable. The public record does not provide CVSS, business impact detail, or evidence of exploitation.

Executive priority

Handle through normal Linux kernel patch governance unless local exposure confirms critical storage dependency. There is no sourced evidence of active exploitation, but kernel crashes on storage-facing systems can affect availability.

Technical view

The fix adds validation for the rport pointer returned by fc_bsg_to_rport() before use in qla2xxx code. The source describes a NULL dereference reported by Klocwork. Affected Linux kernel lines listed include 4.10 through fixed stable versions around 4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5, and 6.5.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel versions where the SCSI qla2xxx driver path is present and reachable. The source bundle does not identify specific distributions, appliances, configurations, privileges, or hardware requirements beyond Linux kernel version data.

Exploitation context

No active exploitation is reported in the provided sources, and the CVE is not marked KEV. The record describes a potential NULL dereference rather than a complete exploit scenario. Treat exploitability and trigger conditions as not established from public evidence here.

Researcher notes

The public record is sparse: no CVSS, CWE, distribution mapping, trigger preconditions, or exploit status are provided. Analysis should focus on commit diff review, downstream backport mapping, and determining whether fc_bsg_to_rport() can return NULL in reachable qla2xxx BSG paths.

Mitigation direction

  • Update affected Linux kernels to versions containing the referenced stable fixes.
  • Check your Linux distribution's advisory for backported qla2xxx fixes.
  • Prioritize systems that use the qla2xxx SCSI driver path.
  • If updates are delayed, monitor vendor guidance for supported mitigations.

Validation and detection

  • Inventory Linux kernel versions across servers and appliances.
  • Check whether running kernels fall within the affected version ranges.
  • Confirm vendor kernel packages include the referenced stable commits or equivalent backports.
  • Review whether qla2xxx-related modules or storage paths are in use.
Prepared
Confidence
medium
Sources
10

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-2023-54014 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
0ADP providers
9Source links

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.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709, 75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709unaffected
LinuxLinux4.10, 0, 4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.40, 6.4.5, 6.5affected
Weakness

CWE details

No CWE listed

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