CVE-2021-33656Published

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

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2021-33656

Published

openEuler:kernel

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "openEuler:kernel",
                    "vendor": "n/a",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "<5.10.127"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON