LiveActive security incident?Get immediate response
CVE Record

CVE-2017-15842: Buffer might get used after it gets freed due to unlocking the mutex before freeing the buffer in all Andro...

Buffer might get used after it gets freed due to unlocking the mutex before freeing the buffer in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This vulnerability affects Qualcomm CAF Android-related releases using the Linux kernel. A buffer may be used after it is freed, which can cause instability or potentially memory-corruption impact. The public bundle does not provide CVSS, affected component details, exploitability, or confirmed fixes, so urgency depends on whether your products ship affected CAF-derived builds.

Executive priority

Treat this as a targeted supply-chain exposure question, not a broad internet emergency based on current evidence. Prioritize asset identification and vendor patch confirmation for Qualcomm CAF-derived products, especially long-lived mobile, embedded, or managed device fleets.

Technical view

CVE-2017-15842 is described as a use-after-free condition caused by unlocking a mutex before freeing a buffer. The affected scope is all Android releases from CAF for Android for MSM, Firefox OS for MSM, and QRD Android using the Linux kernel. No CWE, CVSS vector, vulnerable file path, or patch metadata is included in the supplied sources.

Likely exposure

Exposure is most likely in devices, firmware, or products built from Qualcomm CAF Android for MSM, Firefox OS for MSM, or QRD Android Linux kernel releases. Standard Android devices may be exposed only if their downstream vendor build incorporates the affected CAF code.

Exploitation context

The source bundle does not show CISA KEV listing, public exploitation, exploit availability, or active abuse. The bug class can be security-relevant, but the provided evidence is insufficient to characterize practical exploitability, required privileges, attack surface, or remote versus local reachability.

Researcher notes

The public record is sparse: affected family and bug class are stated, but severity, component, CVSS, CWE, reachability, and fix details are absent from the supplied bundle. Avoid asserting exploitability without additional vendor bulletin or downstream kernel patch evidence.

Mitigation direction

  • Check the May 2018 Code Aurora security bulletin for vendor remediation details.
  • Confirm whether affected CAF Linux kernel code exists in your downstream builds.
  • Apply relevant Qualcomm, CAF, OEM, or device-vendor security updates when available.
  • Prioritize supported devices receiving kernel security maintenance.
  • Retire or isolate unsupported devices if vendor fixes cannot be confirmed.

Validation and detection

  • Inventory products using Qualcomm CAF Android for MSM, Firefox OS for MSM, or QRD Android.
  • Map firmware and kernel provenance to affected CAF release history.
  • Review OEM advisories for CVE-2017-15842 or corresponding Code Aurora bulletin entries.
  • Verify patched build identifiers against vendor release notes, not only Android version numbers.
  • Document unsupported devices where patch status cannot be proven.
Prepared
Confidence
medium
Sources
3

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2017-15842 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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
2Source 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.