Security readout for executives and security teams
Plain-English summary
CVE-2018-5859 is an old Qualcomm Android kernel issue in the display driver stack. A timing flaw could lead to use-after-free memory corruption on affected CAF-based Android builds before the 2018-07-05 security patch level.
Executive priority
Treat this as a legacy mobile fleet hygiene issue. Prioritize only if the organization still operates old Qualcomm Android devices, custom CAF kernels, or unsupported mobile endpoints.
Technical view
The issue is a race condition in the MDSS MDP driver in Android releases from CAF using the Linux kernel, including Android for MSM, Firefox OS for MSM, and QRD Android. The documented impact is a use-after-free condition.
Likely exposure
Exposure is most plausible on legacy Qualcomm-based Android devices or custom ROMs built from CAF Linux kernel code before the 2018-07-05 security patch level. Modern supported devices are less likely exposed if they received the relevant OEM security update.
Exploitation context
The supplied sources do not show CISA KEV listing or active exploitation. They also do not provide exploit details, CVSS scoring, or a complete operational impact statement.
Researcher notes
Evidence identifies the vulnerable component, affected CAF-derived Android releases, and patch-level boundary. The bundle lacks CVSS, CWE, attack requirements, privilege context, and exploit-status evidence, so impact analysis should remain conservative.
Mitigation direction
- Update affected devices to Android security patch level 2018-07-05 or later.
- Check OEM and Qualcomm/CAF guidance for device-specific firmware availability.
- Retire or isolate unsupported devices that cannot receive fixed firmware.
- For custom builds, review the referenced CAF kernel fix before release.
Validation and detection
- Inventory Qualcomm-based Android, QRD Android, Firefox OS for MSM, and CAF-derived builds.
- Check each device security patch level against 2018-07-05.
- Confirm OEM firmware release notes include the July 2018 security fixes.
- For maintained kernels, verify the relevant MDSS MDP fix is present.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-5859 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=36400a7fa3753028a3bf89a9cdb28c5e25693c59CVE reference · x_refsource_CONFIRM
- https://source.android.com/security/bulletin/pixel/2018-07-01CVE 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.