Unable to downgrade the 'linux-firmware' package due to a file conflict error.

Issue

• While trying to downgrade linux-firmware to linux-firmware-20250513-151.1.el9_6.noarch , downgrade fails with below error message:

  # yum downgrade linux-firmware
  Updating Subscription Management repositories.
  Last metadata expiration check: 0:18:20 ago on Tuesday 09 September 2025 11:37:54 AM.
  Dependencies resolved.
  =========================================================================================================
  Package              Architecture Version                     Repository                           Size
  =========================================================================================================
  Downgrading:
  linux-firmware       noarch       20250513-151.1.el9_6        rhel-9-for-x86_64-baseos-rpms       478 MTransaction Summary
  =========================================================================================================
  Downgrade  1 PackageTotal download size: 478 M
  Is this ok [y/N]: y
  Downloading Packages:
  linux-firmware-20250513-151.1.el9_6.noarch.rpm                            81 MB/s | 478 MB     00:05   
  
  
  Total                                                                     81 MB/s | 478 MB     00:05     
  Running transaction check
  Transaction check succeeded.
  Running transaction test
  The downloaded packages were saved in cache until the next successful transaction.
  You can remove cached packages by executing 'yum clean packages'.
  Error: Transaction test error:
  file /usr/lib/firmware/nvidia/ad103/gsp from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad104/gsp from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad106/gsp from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad107/gsp from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad103 from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad104 from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad106 from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad107 from install of linux-firmware-20250513-151.1.el9_6.noarch conflicts with file from package linux-firmware-20250604-151.2.el9_6.noarch
  file /usr/lib/firmware/nvidia/ad103/gsp conflicts between attempted installs of linux-firmware-20250513-151.1.el9_6.noarch and linux-firmware-20250513-151.1.el9_6.noarch