SB2025091974 - Use-after-free in Linux kernel scsi mpi3mr driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091974
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-2023-53376)
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 website.