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CVE-2018-19939

Status: ModifiedHigh (7.5)—

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.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

MI — MI A2 Lite FirmwareMI — Redmi 6 Firmware

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2018-19939",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
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          "integrityImpact": "NONE",
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  "affected": [
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  "published": "2018-12-07T09:29:00.353",
  "references": [
    {
      "url": "https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/972",
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      "description": [
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      "value": "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."
    },
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  "lastModified": "2026-06-17T01:50:08.977",
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