Vulnerability Database
296,760
Total vulnerabilities in the database
CVE-2021-33656
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 5.10.127 |
| debian / debian_linux | 10.0 | 10.0.x |
| openatom / openeuler | 20.03-sp3 | 20.03-sp3.x |
| openatom / openeuler | 20.03-sp1 | 20.03-sp1.x |
| openatom / openeuler | 20.03 | 20.03.x |
- 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
Deep Security Visibility Without the Complexity
SynScan provides clear, real-time security insights so you can monitor your attack surface, spot risks early, and act fast—without extra complexity.
- No setup fees
- 5-min deployment
- Cancel anytime