SB20240531112 - Use-after-free in Linux kernel scsi driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531112
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48666)
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.
References
- https://git.kernel.org/stable/c/2e7eb4c1e8af8385de22775bd0be552f59b28c9a
- https://git.kernel.org/stable/c/8fe4ce5836e932f5766317cb651c1ff2a4cd0506
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0