medium6.8
CVE-2021-33656
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Impact
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openatom | Openeuler | Version 20.03 |
| Linux | Linux Kernel | before 5.10.127 |
| Debian | Debian Linux | Version 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.openwall.com/lists/oss-security/2022/07/19/3
- 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://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
- https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel