Security readout for executives and security teams
Plain-English summary
CVE-2018-5898 is an integer overflow in Qualcomm CAF-based Android Linux kernel code used by Android for MSM, Firefox OS for MSM, and QRD Android. The public sources tie the issue to builds before the 2018-06-05 security patch level, but do not provide severity scoring, attack prerequisites, or impact detail.
Executive priority
Prioritize this as legacy mobile exposure management. Urgency depends on whether the organization still operates affected Qualcomm Android builds below the June 5, 2018 patch level. There is no source-supported evidence of active exploitation in the provided bundle.
Technical view
The flaw is in msm_pcm_adsp_stream_cmd_put(), where user-supplied param_length can exceed a limit and trigger integer overflow. The affected scope is listed as Android releases from CAF using the Linux kernel before security patch level 2018-06-05. No CVSS vector, CWE, or detailed exploitability metadata is provided.
Likely exposure
Exposure is most likely in legacy Qualcomm/CAF-derived Android kernel builds that did not receive the June 2018 Android security updates. The bundle names Android for MSM, Firefox OS for MSM, and QRD Android. Product-specific OEM exposure cannot be confirmed from the provided sources alone.
Exploitation context
The source bundle does not show CISA KEV listing or any cited active exploitation. It also does not specify whether exploitation is local or remote, required privileges, user interaction, or practical exploit maturity.
Researcher notes
The record is sparse: no CVSS, CWE, exploit status, or detailed impact description is provided. Analysis should stay anchored to patch-level verification and affected CAF kernel lineage. Avoid assuming broader Android impact without OEM or Qualcomm confirmation.
Mitigation direction
- Confirm whether affected devices received security patch level 2018-06-05 or later.
- Apply OEM, Android, or Qualcomm security updates where available.
- Check vendor guidance for device-specific firmware status and support windows.
- Retire or isolate unsupported legacy devices that cannot receive kernel security updates.
Validation and detection
- Inventory Qualcomm/CAF-derived Android devices and firmware builds.
- Verify Android security patch level is 2018-06-05 or later.
- Check OEM release notes for the June 2018 Qualcomm component fixes.
- Document unsupported devices that remain below the required patch level.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-5898 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-componentsCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.