PT-2021-7999 · Linux+3 · Linux Kernel+3

Leonardo Antoniazzi

·

Published

2021-04-26

·

Updated

2024-05-30

·

CVE-2021-46905

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The issue is related to a NULL-pointer dereference in the hso serial tty unregister function of the Linux kernel's USB HSO driver. This could allow a remote attacker to cause a denial of service. The problem occurs when the serial device table is accessed after the minor has been released by hso serial tty unregister.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2024-01723
CESA-2021_4140
CESA-2021_4356
CVE-2021-46905
OPENSUSE-SU-2024_0857-1
RHSA-2021:4140
RHSA-2021:4356
RHSA-2021_4140
RHSA-2021_4356
SUSE-SU-2024:0856-1
SUSE-SU-2024:0857-1
SUSE-SU-2024:0926-1
SUSE-SU-2024:1643-1
SUSE-SU-2024:1646-1
SUSE-SU-2024:1669-1
SUSE-SU-2024:1870-1

Affected Products

Centos
Linux Kernel
Red Hat
Suse