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CVE Record

CVE-2018-5887: While processing the USB StrSerialDescriptor array, an array index out of bounds can occur in Android relea...

While processing the USB StrSerialDescriptor array, an array index out of bounds can occur 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

This is a Qualcomm CAF Android-era kernel issue involving unsafe handling of a USB serial descriptor array. The supplied sources say affected builds before the 2018-06-05 Android security patch level could hit an out-of-bounds array index. Business risk is mainly legacy mobile or embedded Android devices that missed OEM security updates.

Executive priority

Medium operational priority for organizations still running legacy Qualcomm-based Android or embedded devices. It should be handled through firmware lifecycle review and patch verification, not emergency response, because the supplied sources do not show active exploitation or severity scoring.

Technical view

CVE-2018-5887 affects Android releases from CAF using the Linux kernel, including Android for MSM, Firefox OS for MSM, and QRD Android. During processing of the USB StrSerialDescriptor array, an out-of-bounds array index can occur. The source bundle does not provide CVSS, CWE, detailed impact, or exploitability conditions.

Likely exposure

Likely exposure is limited to Qualcomm CAF-derived Android, Firefox OS for MSM, or QRD Android builds before security patch level 2018-06-05. Current supported devices with later OEM firmware are less likely exposed, but downstream vendor patch adoption must be verified.

Exploitation context

The supplied data does not show CISA KEV listing, active exploitation, public exploit availability, or weaponized details. It identifies the vulnerable area as USB descriptor processing, but does not provide enough evidence to state practical attack requirements or impact.

Researcher notes

Evidence is sparse. The CVE description names an out-of-bounds array index in USB StrSerialDescriptor processing and the affected CAF Android families. The Android Pixel bulletin and CodeAurora commit are the key remediation references, but the bundle lacks impact detail, CVSS, CWE, and exploit preconditions.

Mitigation direction

  • Confirm affected devices have Android security patch level 2018-06-05 or later.
  • Check OEM and Qualcomm guidance for device-specific firmware coverage.
  • Prioritize legacy Qualcomm CAF-derived Android builds in managed fleets.
  • Retire, isolate, or restrict unpatchable devices with pre-June 2018 firmware.

Validation and detection

  • Inventory devices using Qualcomm CAF, MSM, Firefox OS for MSM, or QRD Android builds.
  • Compare device security patch levels against 2018-06-05.
  • Review OEM release notes for CVE-2018-5887 or June 2018 Qualcomm component fixes.
  • Confirm maintained downstream kernels include the referenced CodeAurora fix.
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.

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CVE-2018-5887 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.