Security readout for executives and security teams
Plain-English summary
This is a local Android kernel information disclosure issue in GPS read/write handling. An attacker would already need System-level execution privileges, but no user interaction is required. The main business concern is exposure of sensitive kernel-accessible information on affected Android builds, not remote takeover.
Executive priority
Treat this as a moderate fleet hygiene issue. It is not described as remotely exploitable, but it can expose sensitive information if an attacker already has local System-level execution. Prioritize outdated or unsupported Android devices.
Technical view
The issue is a CWE-125 out-of-bounds read in m3326_gps_write and m3326_gps_read in gps.s caused by missing bounds checks. CVSS 3.1 is 5.5: local attack vector, low complexity, low privileges, no user interaction, high confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure appears limited to Android kernel builds covered by the Google record and the 2018-06-01 Pixel security bulletin. Organizations should verify Android device patch levels, OEM applicability, and any custom kernel lineage before assuming exposure or non-exposure.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation requires local access with System execution privileges, so risk is higher on devices where malicious or compromised privileged code may already be present.
Researcher notes
Public detail is sparse. The source data identifies the vulnerable routines and weakness class but does not provide patch diff, exploit details, or broad product matrix. Avoid extrapolating beyond Android Kernel and the linked Pixel bulletin.
Mitigation direction
- Review the 2018-06-01 Pixel security bulletin for vendor guidance.
- Apply applicable Android or OEM security updates for affected devices.
- Verify custom Android kernels include the relevant bounds-check fix.
- Prioritize managed devices running outdated Android security patch levels.
- Monitor vendor advisories if OEM applicability is unclear.
Validation and detection
- Inventory Android devices and kernel builds in scope.
- Compare device patch levels against vendor bulletin applicability.
- Check OEM release notes for CVE-2018-9408 coverage.
- Confirm custom kernel source includes corrected GPS bounds handling.
- Document devices where vendor support status is unknown.
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.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-9408 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/pixel/2018-06-01CVE reference
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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.