What’s Vulnerable › Vulnerabilities

CVE-2018-20787

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-25 · updated 2026-06-17
• Weakness: CWE-190

Description

The ft5x46 touchscreen driver for custom Linux kernels on the Xiaomi perseus-p-oss MIX 3 device through 2018-11-26 has an integer overflow and OOPS because of missing checks of the size argument in tpdbg_write in drivers/input/touchscreen/ft5x46/ft5x46_ts.c. This is exploitable for a device crash via a syscall by a crafted application on a rooted device.

Affected products

• MiCode Xiaomi Perseus-P-Oss: through 2018-11-26

References

• https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/991
• https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/991

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