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CVE-2018-19939

HIGH

7.5

CVSS Score

Published: December 7, 2018 at 09:00 AM UTC

Updated: June 17, 2026 at 01:50 AM UTC

4 products affected across 1 vendorRedmi 6 FirmwareMi A2 Lite FirmwareRedmi 6

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mi A2 Lite Firmware · Mi

95%

v ≤ 2018-08-27

mi-mi-a2-lite (same device)

Redmi 6 Firmware · Mi

95%

v ≤ 2018-08-27

mi-redmi-6 (same device)

Mi A2 Lite · Midevice

80%

All versions

Redmi 6 · Midevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCIssue TrackingThird Party Advisory

Source: [email protected]

https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/972

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-476

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