SB2026022347 - Red Hat Enterprise Linux 9 update for kernel



SB2026022347 - Red Hat Enterprise Linux 9 update for kernel

Published: February 23, 2026

Security Bulletin ID SB2026022347
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper locking (CVE-ID: CVE-2025-37861)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the mpi3mr_process_factsdata(), mpi3mr_process_admin_reply_q(), mpi3mr_process_op_reply_q(), mpi3mr_check_op_admin_proc() and mpi3mr_soft_reset_handler() functions in drivers/scsi/mpi3mr/mpi3mr_fw.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-38106)

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

The vulnerability exists due to a use-after-free error within the io_sq_thread() and io_sq_offload_create() functions in io_uring/sqpoll.c, within the __io_uring_show_fdinfo() function in io_uring/fdinfo.c. A local user can escalate privileges on the system.


3) Out-of-bounds read (CVE-ID: CVE-2025-38415)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the squashfs_fill_super() function in fs/squashfs/super.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.