CVE-2021-47405

MEDIUM

Linux Kernel < 4.4.286 - Use-After-Free in HID usbhid raw_report Buffer Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: free raw_report buffers in usbhid_stop Free the unsent raw_report buffers when the device is removed. Fixes a memory leak reported by syzbot at: https://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418ab47

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (19)
Linux/Linux < 2.6.28
Linux/Linux 2.6.28
Linux/Linux 4.14.249 - 4.14.*
Linux/Linux 4.19.209 - 4.19.*
Linux/Linux 4.4.286 - 4.4.*
Linux/Linux 4.9.285 - 4.9.*
Linux/Linux 5.10.71 - 5.10.*
Linux/Linux 5.14.10 - 5.14.*
Linux/Linux 5.15
Linux/Linux 5.4.151 - 5.4.*
... and 9 more
Published May 21, 2024
Tracked Since Feb 18, 2026