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Red Hat: CVE-2020-29661: CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (Multiple Advisories)

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Red Hat: CVE-2020-29661: CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
12/09/2020
Created
02/03/2021
Added
02/03/2021
Modified
03/13/2024

Description

A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b.

Solution(s)

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

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