The Goodix GT9xx touchscreen driver for custom Linux kernels on Xiaomi daisy-o-oss and…
Priority LOW 35CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
The Goodix GT9xx touchscreen driver for custom Linux kernels on Xiaomi daisy-o-oss and daisy-p-oss as used in Mi A2 Lite and RedMi6 pro devices through 2018-08-27 has a NULL pointer dereference in kfree after a kmalloc failure in gtp_read_Color in drivers/input/touchscreen/gt917d/gt9xx.c.
Why it matters now
EPSS 0.01278 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mi:mi_a2_lite_firmware:*:*:*:*:*:*:*:* | up to 2018-08-27 | Vulnerable | Mi |
| cpe:2.3:h:mi:mi_a2_lite:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mi |
| cpe:2.3:o:mi:redmi_6_firmware:*:*:*:*:*:*:*:* | up to 2018-08-27 | Vulnerable | Mi |
| cpe:2.3:h:mi:redmi_6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mi |
- cpe:2.3:o:mi:mi_a2_lite_firmware:*:*:*:*:*:*:*:* Versions up to 2018-08-27 Vulnerable ·Mi
- cpe:2.3:h:mi:mi_a2_lite:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mi
- cpe:2.3:o:mi:redmi_6_firmware:*:*:*:*:*:*:*:* Versions up to 2018-08-27 Vulnerable ·Mi
- cpe:2.3:h:mi:redmi_6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-19939
- 2026-10-03 Alias added: GHSA-4v5p-wg3c-r4x4
References
Sources
- CVE-2018-19939 · CVE Program
- CVE-2018-19939 · NVD
- FIRST EPSS
- GHSA-4v5p-wg3c-r4x4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences