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CVE-2021-33656: Linux kernel: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.(<5.10.127)

From: "Weigang (Jimmy)" <weigang12 () huawei com>
Date: Tue, 19 Jul 2022 02:14:27 +0000

Fix has been released in Linux kernel stable tree: 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch.

Current thread:

CVE-2021-33656: Linux kernel: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.(<5.10.127) Weigang (Jimmy) (Jul 19)