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Huawei EulerOS: CVE-2020-29661: kernel security update

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Severity	CVSS	Published	Added	Modified
7	(AV:L/AC:L/Au:N/C:C/I:C/A:C)	Dec 9, 2020	Mar 24, 2021	Aug 13, 2025

Severity

CVSS

(AV:L/AC:L/Au:N/C:C/I:C/A:C)

Published

Dec 9, 2020

Added

Mar 24, 2021

Modified

Aug 13, 2025

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.

Solutions

huawei-euleros-2_0_sp5-upgrade-kernelhuawei-euleros-2_0_sp5-upgrade-kernel-develhuawei-euleros-2_0_sp5-upgrade-kernel-headershuawei-euleros-2_0_sp5-upgrade-kernel-toolshuawei-euleros-2_0_sp5-upgrade-kernel-tools-libshuawei-euleros-2_0_sp5-upgrade-perfhuawei-euleros-2_0_sp5-upgrade-python-perf

References

CVE-2020-29661
https://attackerkb.com/topics/CVE-2020-29661
CWE-416
CWE-667
EULEROS-EulerOS-SA-2021-1684

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