#VU115897 Use-after-free in Linux kernel - CVE-2023-53376
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115897
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-2023-53376
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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 mpi3mr_issue_and_process_mur(), mpi3mr_revalidate_factsdata(), mpi3mr_alloc_reply_sense_bufs(), mpi3mr_alloc_chain_bufs(), mpi3mr_memset_buffers(), mpi3mr_free_mem() and mpi3mr_soft_reset_handler() functions in drivers/scsi/mpi3mr/mpi3mr_fw.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.