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CVE Record

CVE-2017-15828: In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel,...

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, while accessing the keystore in LK, an integer overflow vulnerability exists which may potentially lead to a buffer overflow.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This vulnerability affects Qualcomm CAF-based mobile software where LK bootloader keystore handling can overflow an integer and potentially overflow a buffer. The public record does not provide severity, exploitability, or exact version boundaries, so urgency depends on whether exposed devices use affected CAF-derived LK code.

Executive priority

Prioritize identification over emergency response unless vendor evidence shows exposure in critical managed devices. For supported fleets, roll this into firmware patch validation. Unsupported Qualcomm-based devices should be reviewed because bootloader-level issues are difficult to mitigate externally.

Technical view

CVE-2017-15828 is an integer overflow in LK keystore access in Android for MSM, Firefox OS for MSM, and QRD Android releases from CAF using the Linux kernel. The described consequence is a potential buffer overflow. Public sources identify a CodeAurora bulletin and LK commit but provide limited operational detail.

Likely exposure

Exposure is most likely in Qualcomm CAF-derived Android or related MSM builds that include the vulnerable LK keystore code. Downstream OEM firmware may vary, so asset owners need firmware lineage and vendor patch confirmation.

Exploitation context

The provided sources do not show KEV listing, active exploitation, public exploit availability, or attack preconditions. The issue is low-level and potentially sensitive, but evidence is insufficient to claim real-world exploitation.

Researcher notes

The public record lacks CVSS, CWE, exploit preconditions, and precise fixed versions. The strongest technical anchor is the referenced LK commit. Treat it as a fix reference, not proof that every downstream product is reachable or exploitable.

Mitigation direction

  • Review the September 2018 CodeAurora security bulletin for vendor context.
  • Confirm affected firmware integrates the referenced LK commit or equivalent vendor fix.
  • Apply OEM or device-vendor firmware updates for affected Qualcomm CAF-derived builds.
  • Retire or restrict unsupported devices that cannot receive confirmed fixed firmware.
  • Track downstream advisories for device-specific patch status.

Validation and detection

  • Inventory devices and builds using Qualcomm CAF-derived LK bootloader code.
  • Compare LK keystore code against commit 86ea9e5dd16d918f8960067157012cc15176f82f.
  • Check OEM release notes or security patch documentation for this CVE.
  • Verify firmware images in managed fleets are updated to vendor-confirmed fixed versions.
  • Perform only defensive regression testing around LK keystore handling.
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-2017-15828 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.