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CVE-2018-5897: While reading the data from buffer in dci_process_ctrl_status() there can be buffer over-read problem if th...

While reading the data from buffer in dci_process_ctrl_status() there can be buffer over-read problem if the len is not checked correctly in Android releases from CAF using the linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-06-05.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-5897 is a Qualcomm-related Android kernel issue in CAF-derived releases where incorrect length checking can allow a buffer over-read. The public bundle does not state business impact, exploitability, or CVSS severity. Exposure is mainly a legacy mobile firmware question: devices need security patch level 2018-06-05 or later, or vendor confirmation they are not affected.

Executive priority

Prioritize if the business still uses older Qualcomm-based Android devices, embedded Android hardware, or custom CAF-derived builds. This is not an emergency from the supplied evidence, but unpatched legacy mobile/kernel components deserve prompt inventory and lifecycle action.

Technical view

The issue is in dci_process_ctrl_status(), where reading data from a buffer without correct len validation may cause buffer over-read. Affected products are Android releases from CAF using the Linux kernel, specifically Android for MSM, Firefox OS for MSM, and QRD Android, before Android security patch level 2018-06-05.

Likely exposure

Organizations are likely exposed only if they operate Qualcomm/CAF-derived Android firmware builds below security patch level 2018-06-05. Modern managed Android fleets with current OEM security patches are less likely exposed, but unsupported or embedded Qualcomm Android devices should be checked.

Exploitation context

The source bundle does not identify active exploitation, and KEV is false. It also provides no exploit details, public exploit status, CVSS score, or confirmed real-world impact. Treat exploitation likelihood as unproven from the provided evidence.

Researcher notes

Evidence is sparse: no CVSS, CWE, patch diff, or detailed impact is included. Research should focus on CAF lineage, affected kernel/vendor component versions, and whether device OEM patches included the 2018-06-05 Qualcomm component fixes.

Mitigation direction

  • Update affected Android/CAF-based builds to security patch level 2018-06-05 or later where available.
  • Check OEM, Qualcomm, and Android bulletin guidance for device-specific firmware availability.
  • Retire or isolate unsupported devices that cannot receive relevant vendor security updates.
  • Record firmware build and patch-level evidence for managed mobile or embedded Android assets.

Validation and detection

  • Inventory Qualcomm-based Android devices and CAF-derived firmware builds.
  • Confirm Android security patch level is 2018-06-05 or later.
  • Review whether builds derive from Android for MSM, Firefox OS for MSM, or QRD Android.
  • Verify remediation through OEM OTA history, build metadata, or vendor security bulletin mapping.
Prepared
Confidence
medium
Sources
3

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.

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CVE-2018-5897 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
2Source 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
Qualcomm, Inc.Android for MSM, Firefox OS for MSM, QRD AndroidAll Android releases from CAF using the Linux kernelListed
Weakness

CWE details

No CWE listed

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