diff --git a/add-virtcca-support.patch b/add-virtcca-support.patch
index 007d437d8f71221645aca102725fade1ca3cd72c..b9e4c8ce11c82b59b62471f6af5a31a383ef5a36 100644
--- a/add-virtcca-support.patch
+++ b/add-virtcca-support.patch
@@ -643,7 +643,7 @@ index df3b1e5..1d64508 100644
  def load_compute_driver(virtapi, compute_driver=None):
      """Load a compute driver module.
 diff --git a/nova/virt/hardware.py b/nova/virt/hardware.py
-index feeef57..79de856 100644
+index feeef57..c70f781 100644
 --- a/nova/virt/hardware.py
 +++ b/nova/virt/hardware.py
 @@ -38,6 +38,22 @@ MEMPAGES_SMALL = -1
@@ -761,7 +761,7 @@ index feeef57..79de856 100644
  
  def _get_numa_pagesize_constraint(
      flavor: 'objects.Flavor',
-@@ -2411,3 +2505,384 @@ def check_hw_rescue_props(image_meta):
+@@ -2411,3 +2505,381 @@ def check_hw_rescue_props(image_meta):
      """
      hw_rescue_props = ['hw_rescue_device', 'hw_rescue_bus']
      return any(key in image_meta.properties for key in hw_rescue_props)
@@ -783,10 +783,10 @@ index feeef57..79de856 100644
 +              '%(host_secure_cell)s', {'cell': instance_cell, 'host_secure_cell': host_secure_cell})
 +
 +    origin_secure_mem = instance_cell.memory
++    unsecure_cell_memory = 0
 +
-+    instance_cell.memory = 0
 +    if instance_cell.pagesize == None and cell_index == 0:
-+        instance_cell.memory =  get_swiotlb_buffer_constraint(flavor, VIRTCCA_SWIOTLB_BUFFER_DEFAULT)
++        unsecure_cell_memory =  get_swiotlb_buffer_constraint(flavor, VIRTCCA_SWIOTLB_BUFFER_DEFAULT)
 +
 +    if (
 +        'pagesize' in instance_cell and 
@@ -823,13 +823,13 @@ index feeef57..79de856 100644
 +            # we want to allow overcommit in this case as we're not using
 +            # hugepages
 +            if not host_cell.can_fit_pagesize(pagesize,
-+                                              instance_cell.memory * units.Ki,
++                                              unsecure_cell_memory * units.Ki,
 +                                              use_free=False):
 +                LOG.debug('Not enough available memory to schedule instance '
 +                          'with pagesize %(pagesize)d. Required: '
 +                          '%(required)s, available: %(available)s, total: '
 +                          '%(total)s.',
-+                          {'required': instance_cell.memory,
++                          {'required': unsecure_cell_memory,
 +                           'available': host_cell.avail_memory,
 +                           'total': host_cell.memory,
 +                           'pagesize': pagesize})
@@ -841,10 +841,10 @@ index feeef57..79de856 100644
 +            # itself on any NUMA cell, i.e. with 'ram_allocation_ratio = 2.0'
 +            # on a host with 1GB RAM, we should allow two 1GB instances but not
 +            # one 2GB instance.
-+            if instance_cell.memory > host_cell.memory:
++            if unsecure_cell_memory > host_cell.memory:
 +                LOG.debug('Not enough host cell memory to fit instance cell. '
 +                          'Required: %(required)d, actual: %(actual)d',
-+                          {'required': instance_cell.memory,
++                          {'required': unsecure_cell_memory,
 +                           'actual': host_cell.memory})
 +                return None
 +
@@ -896,12 +896,12 @@ index feeef57..79de856 100644
 +                       'num_cpu_reserved': cpuset_reserved})
 +            return None
 +
-+        if instance_cell.memory > host_cell.avail_memory:
++        if unsecure_cell_memory > host_cell.avail_memory:
 +            LOG.debug('Not enough available memory to schedule instance. '
 +                      'Oversubscription is not possible with pinned '
 +                      'instances. Required: %(required)s, available: '
 +                      '%(available)s, total: %(total)s. ',
-+                      {'required': instance_cell.memory,
++                      {'required': unsecure_cell_memory,
 +                       'available': host_cell.avail_memory,
 +                       'total': host_cell.memory})
 +            return None
@@ -931,7 +931,7 @@ index feeef57..79de856 100644
 +                      {'usage': cpu_usage, 'limit': cpu_limit})
 +            return None
 +
-+        ram_usage = host_cell.memory_usage + instance_cell.memory
++        ram_usage = host_cell.memory_usage + unsecure_cell_memory
 +        ram_limit = host_cell.memory * limits.ram_allocation_ratio
 +        if ram_usage > ram_limit:
 +            LOG.debug('Host cell has limitations on usable memory. There is '
@@ -948,7 +948,6 @@ index feeef57..79de856 100644
 +            {'required': origin_secure_mem,
 +            'available': host_secure_cell.avail_memory,
 +            'total': host_secure_cell.memory})
-+        instance_cell.memory = origin_secure_mem
 +        return None
 +
 +    orc_numa_name = f"{VIRTCCA_SECURE_NUMA_1G_PAGE_PREFIX}{host_secure_cell.id}"
@@ -957,10 +956,8 @@ index feeef57..79de856 100644
 +        numa_entry_1g = numa_entry_1g -1
 +
 +    if numa_entry_1g > secure_numa_page.get(orc_numa_name, 0):
-+        instance_cell.memory = origin_secure_mem
 +        return None
 +
-+    instance_cell.memory = origin_secure_mem
 +    instance_cell.id = host_cell.id
 +    return instance_cell
 +
diff --git a/openstack-nova.spec b/openstack-nova.spec
index ab8bbd8c2b7f7ade63c2b18d0175f14dc742c41a..d6a7f3e012849808ce4f27f5217f5c68f0badb0f 100644
--- a/openstack-nova.spec
+++ b/openstack-nova.spec
@@ -17,7 +17,7 @@ Name:             openstack-nova
 # Liberty semver reset
 # https://review.openstack.org/#/q/I6a35fa0dda798fad93b804d00a46af80f08d475c,n,z
 Version:          23.2.2
-Release:          4
+Release:          5
 Summary:          OpenStack Compute (nova)
 
 License:          ASL 2.0
@@ -728,6 +728,9 @@ exit 0
 %endif
 
 %changelog
+* Tue Jun 10 2025 Panhengchang <panhengchang@huawei.com> - 23.2.2-5
+- Fix fix unintended modification of input parameter in virtcca
+
 * Thu Jun 5 2025 liuhao <liuhao365@huawei.com> - 23.2.2-4
 - Add virtcca support