#VU90191 Use-after-free in Linux kernel - CVE-2022-48666 

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Main Vulnerability Database Vulnerabilities #VU90191

#VU90191 Use-after-free in Linux kernel - CVE-2022-48666

Published: May 31, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90191
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48666
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the __scsi_remove_device() function in drivers/scsi/scsi_sysfs.c, within the scsi_alloc_sdev() function in drivers/scsi/scsi_scan.c, within the scsi_mq_setup_tags() function in drivers/scsi/scsi_lib.c, within the scsi_remove_host(), scsi_add_host_with_dma() and scsi_host_dev_release() functions in drivers/scsi/hosts.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

External links