Security readout for executives and security teams
Plain-English summary
This CVE describes a Qualcomm-related Android kernel memory safety flaw. A use-after-free can happen while notifying a DCI client on affected CAF-based Android releases before the 2018-04-05 security patch level. Business concern is mainly older, unpatched Qualcomm Android-derived devices.
Executive priority
Treat this as a legacy device hygiene issue unless affected unpatched devices remain in production. Prioritize inventory and patch verification for Qualcomm Android-derived devices, especially unmanaged, embedded, or unsupported endpoints.
Technical view
CVE-2018-3599 affects Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android releases from CAF using the Linux kernel before security patch level 2018-04-05. The reported condition is use-after-free during DCI client notification. The provided sources do not include CVSS, CWE, chipset scope, or exploit prerequisites.
Likely exposure
Exposure is most likely on legacy Qualcomm MSM or CAF-derived Android builds that have not reached the 2018-04-05 security patch level. Modern managed Android fleets are less likely exposed if patch levels are enforced. Embedded or long-lived devices may need separate vendor firmware confirmation.
Exploitation context
The source bundle does not show CISA KEV listing or any cited active exploitation. No public exploit status, attack vector, privileges required, or user interaction requirements are provided, so exploitation likelihood cannot be responsibly rated from these sources alone.
Researcher notes
Available evidence is sparse. The record names a kernel use-after-free during DCI client notification but omits CVSS, CWE, affected chipset details, commits, and exploitability constraints. Avoid assuming remote exploitability or privilege impact without vendor-specific advisories.
Mitigation direction
- Update affected devices to Android security patch level 2018-04-05 or later.
- Check Qualcomm, OEM, and Android vendor guidance for device-specific firmware fixes.
- Retire or isolate devices that cannot receive the relevant vendor security update.
- Enforce mobile device patch-level compliance through fleet management where available.
Validation and detection
- Inventory Android, Firefox OS for MSM, and QRD Android devices using Qualcomm MSM or CAF-derived builds.
- Verify each device reports security patch level 2018-04-05 or later.
- Review OEM firmware notes for CVE-2018-3599 or April 2018 Qualcomm fixes.
- Flag unsupported devices with unknown patch provenance for risk review.
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-2018-3599 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/2018-04-01CVE 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.