PT-2024-11220 · Linux+3 · Linux Kernel+3
Published
2021-05-21
·
Updated
2024-08-21
·
CVE-2021-47173
CVSS v3.1
5.5
Medium
| Vector | AV: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
A memory leak vulnerability has been resolved in the Linux kernel. The issue occurs in the
uss720 probe function, which forgets to decrease the refcount of usbdev. This is fixed by decreasing the refcount of usbdev by usb put dev. The vulnerability results in an unreferenced object, leading to a memory leak. The backtrace of the issue involves several kernel functions, including kmalloc, kzalloc, usb alloc dev, and hub port connect.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Leak
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Suse
Ubuntu