vulnerability

Red Hat: CVE-2021-33655: kernel: malicious data for FBIOPUT_VSCREENINFO ioctl may cause OOB write memory (Multiple Advisories)

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Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Jul 18, 2022
Added
May 15, 2023
Modified
Nov 14, 2025

Description

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt

References

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