Rapid7 Vulnerability & Exploit Database

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

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

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
12/09/2020
Created
03/13/2021
Added
03/12/2021
Modified
05/10/2023

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)

  • linuxrpm-upgrade-redhat-coreos

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