CVE-2021-33655
Medium
Description
When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
SeverityMedium
CVSS6.7
Exploit probability—
Product
Linux Kernel
PublishedJul 18, 2022
First seenJul 18, 2022
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- linux linux_kernel5.19 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.19, 5.19 | 5.19 |
| debian debian_linux | 10.0, 11.0 | — |
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