Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
References
https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel
CVE-2021-33656 : LINUX KERNEL IOCTL OUT-OF-BOUNDS WRITE
- cybersecurity insights
- July 19, 2022
- 2:47 pm
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