vulnerability
Red Hat: CVE-2021-33656: when setting font with malicious data by ioctl PIO_FONT, kernel will write memory out of bounds (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Jul 18, 2022 | May 17, 2023 | Jul 9, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Jul 18, 2022
Added
May 17, 2023
Modified
Jul 9, 2025
Description
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Solution(s)
no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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