Vulnerability Details : CVE-2018-19939
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2018-19939
- cpe:2.3:o:mi:redmi_6_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:mi:mi_a2_lite_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-19939
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19939
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-19939
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19939
-
https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/972
NULL pointer dereferencing in the touchscreen driver of daisy-o-oss branch · Issue #972 · MiCode/Xiaomi_Kernel_OpenSource · GitHubIssue Tracking;Third Party Advisory
Jump to