CVE-2022-49949

MEDIUM

Linux Kernel 5.19-5.19.8 - Use-After-Free in Firmware Upload

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Fix memory leak in firmware upload In the case of firmware-upload, an instance of struct fw_upload is allocated in firmware_upload_register(). This data needs to be freed in fw_dev_release(). Create a new fw_upload_free() function in sysfs_upload.c to handle the firmware-upload specific memory frees and incorporate the missing kfree call for the fw_upload structure.

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 7.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (9)
linux/Kernel 5.19.0 - 5.19.8linux
Linux/Linux < 5.19
Linux/Linux 5.19
Linux/Linux 5.19.8 - 5.19.*
Linux/Linux 6.0
Linux/Linux 97730bbb242cde22b7140acd202ffd88823886c9 - 789bba82f63c3e81dce426ba457fc7905b30ac6e
Linux/Linux 97730bbb242cde22b7140acd202ffd88823886c9 - baf92485d111be828e1ab84a995515b604b938e5
linux/linux_kernel 6.0 rc1 (3 CPE variants)
linux/linux_kernel 5.19 - 5.19.8
Published Jun 18, 2025
Tracked Since Feb 18, 2026