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Red Hat: CVE-2020-36558: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (Multiple Advisories)

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Red Hat: CVE-2020-36558: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/21/2022
Created
11/10/2022
Added
11/09/2022
Modified
04/26/2024

Description

A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.

Solution(s)

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

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