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

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

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/18/2022
Created
05/15/2023
Added
05/15/2023
Modified
09/03/2024

Description

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

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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