Out-of-Bounds Memory Write Vulnerability in Kernel Font Setting via ioctl cmd PIO_FONT

Out-of-Bounds Memory Write Vulnerability in Kernel Font Setting via ioctl cmd PIO_FONT

CVE-2021-33656 · MEDIUM Severity

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

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