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  2. CVE-2021-33656
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CVE-2021-33656

medium
  • Information
  • CPEs
  • Plugins

Description

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

References

https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch

https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel

http://www.openwall.com/lists/oss-security/2022/07/19/3

https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html

Details

Source: MITRE

Published: 2022-07-18

Updated: 2022-10-29

Type: CWE-787

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