NetSight
IP …
high7.1

CVE-2021-47403

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on ev…

Impact

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.18 before 4.4.286
from 4.5 before 4.9.285
from 4.10 before 4.14.249
from 4.15 before 4.19.209
from 4.20 before 5.4.151
from 5.5 before 5.10.71

Weakness classification

CWE-200

References