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CVE Record

CVE-2018-5907: Possible buffer overflow in msm_adsp_stream_callback_put due to lack of input validation of user-provided d...

Possible buffer overflow in msm_adsp_stream_callback_put due to lack of input validation of user-provided data that leads to integer overflow in all Android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the Linux kernel.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-5907 is a Qualcomm-related kernel issue in CAF-based Android releases where insufficient input validation could cause a buffer overflow. The public bundle does not provide severity, CVSS, or confirmed exploitation. Business urgency depends on whether the organization still operates affected Qualcomm-based Android or Firefox OS-derived devices.

Executive priority

Treat this as an inventory and lifecycle risk unless affected devices are confirmed. If legacy Qualcomm Android devices are present, prioritize vendor patch verification or replacement because kernel memory-corruption issues can carry serious consequences when reachable.

Technical view

The issue is described in msm_adsp_stream_callback_put, where user-provided data may trigger integer overflow leading to buffer overflow in CAF Linux kernel Android releases. Affected products are Android for MSM, Firefox OS for MSM, and QRD Android from Qualcomm CAF. The bundle does not include exploit prerequisites, impact details, or fixed versions.

Likely exposure

Exposure is most likely on Qualcomm MSM/CAF-based Android builds, especially custom, embedded, legacy, or unsupported device fleets using affected Linux kernel code. Standard enterprise exposure cannot be confirmed without device model, firmware lineage, and patch-level inventory.

Exploitation context

The source bundle does not show CISA KEV status or any cited evidence of active exploitation. The lack of CVSS, impact detail, and exploit context means exploitation likelihood and practical severity cannot be reliably ranked from the provided sources alone.

Researcher notes

Evidence is limited to a CVE description and references. The affected scope is broad, but the bundle lacks CVSS, CWE, fixed commit, attack vector, privileges required, and impact outcome. Avoid assuming exploitability beyond the stated integer-overflow-to-buffer-overflow condition.

Mitigation direction

  • Identify Qualcomm MSM or CAF-based Android devices in managed and embedded fleets.
  • Check vendor or OEM guidance for CVE-2018-5907 fixed firmware availability.
  • Prioritize updates for internet-connected, high-trust, or unsupported Android devices.
  • Retire or isolate devices that cannot receive vendor-supported security updates.

Validation and detection

  • Inventory device models, Android patch levels, kernel builds, and OEM firmware versions.
  • Compare fleet firmware against OEM advisories referencing CVE-2018-5907 or July 2018 Qualcomm components.
  • Confirm whether builds derive from Qualcomm CAF Linux kernel code.
  • Document devices with unknown firmware provenance as unresolved exposure.
Prepared
Confidence
medium
Sources
4

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-2018-5907 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
3Source 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.