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CVE Record

CVE-2018-5841: dcc_curr_list is initialized with a default invalid value that is expected to be programmed by the user thr...

dcc_curr_list is initialized with a default invalid value that is expected to be programmed by the user through a sysfs node which could lead to an invalid access in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE affects Qualcomm CAF-based Android Linux kernel releases where a default invalid value may remain in a current-list setting. If that value is reachable through a sysfs interface, it could cause invalid memory access. The public bundle does not provide severity, impact detail, or a confirmed exploit status.

Executive priority

Treat this as an exposure-tracking item for Qualcomm Android fleets, not as a confirmed emergency. Prioritize patch verification for managed or legacy devices using CAF-derived kernels, especially where firmware support is uncertain.

Technical view

The issue involves dcc_curr_list being initialized to an invalid default and expected to be set by a user through sysfs. In affected CAF Android Linux kernel releases, failure or misuse of that programming path could lead to invalid access. Exact kernel component, privileges, and patch details are not provided.

Likely exposure

Exposure is most likely in Qualcomm CAF-derived Android builds: Android for MSM, Firefox OS for MSM, and QRD Android using the Linux kernel. The source says all CAF Android releases using Linux kernel are affected, but does not list exact versions, devices, or branches.

Exploitation context

The bundle does not show CISA KEV listing or any cited active exploitation report. The sysfs reference suggests local interface exposure may matter, but the sources do not define required privileges, attack path, or practical exploitability.

Researcher notes

Important gaps remain: no CVSS, CWE, exact file path, patch ID, exploit prerequisites, or impact class are included in the bundle. Validate against vendor kernel trees and OEM security bulletins before assigning urgency beyond known CAF exposure.

Mitigation direction

  • Check Qualcomm or Code Aurora May 2018 bulletin guidance for CVE-2018-5841.
  • Apply OEM or chipset-vendor firmware updates that include the relevant CAF kernel fix.
  • Prioritize unsupported Qualcomm Android devices for replacement or compensating controls.
  • Do not infer a custom patch without matching the vendor kernel branch.
  • Limit unnecessary local/sysfs access according to vendor platform guidance.

Validation and detection

  • Inventory devices and builds derived from Qualcomm CAF Android Linux kernels.
  • Confirm whether vendor firmware advisories reference CVE-2018-5841 or the May 2018 CAF bulletin.
  • Verify current firmware contains the vendor-provided kernel fix for the affected branch.
  • Review platform hardening to confirm sysfs exposure matches vendor expectations.
  • Document devices without vendor support as residual risk.
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

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CVE-2018-5841 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
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.