Security readout for executives and security teams
Plain-English summary
CVE-2018-3577 affects Android releases from Qualcomm CAF using the Linux kernel before the 2018-06-05 security patch level. A very large fragment count can cause integer overflow and then buffer overflow. The public data does not provide CVSS, exploit details, or active exploitation evidence.
Executive priority
Prioritize if the organization still operates legacy Qualcomm Android devices or custom CAF builds. Modern fully patched devices are less likely to be exposed based on the provided sources.
Technical view
The issue is an integer overflow during fragment processing that can lead to buffer overflow in Qualcomm CAF-based Android kernel components. The affected set is Android for MSM, Firefox OS for MSM, and QRD Android before security patch level 2018-06-05. A referenced Code Aurora commit is in qcacld-2.0.
Likely exposure
Exposure is most likely on older Qualcomm-based Android devices or downstream CAF builds that have not incorporated the 2018-06-05 Android security patch level or equivalent Qualcomm/CAF fixes.
Exploitation context
The source bundle does not show KEV listing, public exploitation, exploit maturity, required privileges, or attack path. Treat active exploitation as unconfirmed, not absent.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploitability metrics, or detailed advisory text is included. The commit reference suggests WLAN driver involvement, but exposure analysis should be confirmed against the exact device kernel/vendor tree.
Mitigation direction
- Update affected Android builds to security patch level 2018-06-05 or later.
- Confirm OEM firmware includes the relevant Qualcomm/CAF component fixes.
- Check vendor guidance for unsupported or forked CAF-based devices.
- Retire or isolate devices that cannot receive patched firmware.
Validation and detection
- Inventory Qualcomm-based Android, MSM, Firefox OS for MSM, and QRD Android devices.
- Check each device security patch level against 2018-06-05 or later.
- Verify downstream kernels include the referenced CAF qcacld-2.0 fix.
- Review OEM release notes for CVE-2018-3577 or Qualcomm component coverage.
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
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CVE-2018-3577 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://www.codeaurora.org/security-bulletin/2018/07/02/july-2018-code-aurora-security-bulletinCVE reference · x_refsource_CONFIRM
- https://source.android.com/security/bulletin/pixel/2018-06-01#qualcomm-componentsCVE reference · x_refsource_CONFIRM
- https://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-2.0/commit/?id=cf1c43ce8840021d2907afaa6c514e6971d7ebacCVE 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.