diff --git a/bitnami/mariadb-galera/10.3/debian-11/Dockerfile b/bitnami/mariadb-galera/10.3/debian-11/Dockerfile
index 3161b9931a8d..d7b384887624 100644
--- a/bitnami/mariadb-galera/10.3/debian-11/Dockerfile
+++ b/bitnami/mariadb-galera/10.3/debian-11/Dockerfile
@@ -4,7 +4,7 @@ ARG TARGETARCH
 
 LABEL org.opencontainers.image.authors="https://bitnami.com/contact" \
       org.opencontainers.image.description="Application packaged by Bitnami" \
-      org.opencontainers.image.ref.name="10.3.36-debian-11-r11" \
+      org.opencontainers.image.ref.name="10.3.36-debian-11-r12" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/mariadb-galera" \
       org.opencontainers.image.title="mariadb-galera" \
       org.opencontainers.image.vendor="VMware, Inc." \
@@ -18,7 +18,7 @@ ENV HOME="/" \
 COPY prebuildfs /
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 # Install required system packages and dependencies
-RUN install_packages acl ca-certificates curl gzip iproute2 ldap-utils libaio1 libaudit1 libc6 libcap-ng0 libcrypt1 libgcc-s1 libicu67 libjemalloc2 libldap-common liblzma5 libncurses6 libpam-ldapd libpam0g libssl1.1 libstdc++6 libtinfo6 libxml2 nslcd procps psmisc rsync socat tar zlib1g
+RUN install_packages ca-certificates curl iproute2 ldap-utils libaio1 libaudit1 libc6 libcap-ng0 libcrypt1 libgcc-s1 libicu67 libjemalloc2 libldap-common liblzma5 libncurses6 libpam-ldapd libpam0g libssl1.1 libstdc++6 libtinfo6 libxml2 nslcd procps psmisc rsync socat zlib1g
 RUN mkdir -p /tmp/bitnami/pkg/cache/ && cd /tmp/bitnami/pkg/cache/ && \
     if [ ! -f ini-file-1.4.3-153-linux-${OS_ARCH}-debian-11.tar.gz ]; then \
       curl -SsLf https://downloads.bitnami.com/files/stacksmith/ini-file-1.4.3-153-linux-${OS_ARCH}-debian-11.tar.gz -O ; \
diff --git a/bitnami/mariadb-galera/10.3/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/mariadb-galera/10.3/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
index e25f3b5d9594..92530b32d94d 100644
--- a/bitnami/mariadb-galera/10.3/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/mariadb-galera/10.3/debian-11/prebuildfs/opt/bitnami/scripts/libos.sh
@@ -506,3 +506,50 @@ get_machine_id() {
     fi
     echo "$machine_id"
 }
+
+########################
+# Get the root partition's disk device ID (e.g. /dev/sda1)
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root partition disk ID
+#########################
+get_disk_device_id() {
+    local device_id=""
+    if grep -q ^/dev /proc/mounts; then
+        device_id="$(grep -q ^/dev /proc/mounts | awk '$2 == "/" { print $1 }' | tail -1)"
+    fi
+    # If it could not be autodetected, fallback to /dev/sda1 as a default
+    if [[ -z "$device_id" || ! -b "$device_id" ]]; then
+        device_id="/dev/sda1"
+    fi
+    echo "$device_id"
+}
+
+########################
+# Get the root disk device ID (e.g. /dev/sda)
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root disk ID
+#########################
+get_root_disk_device_id() {
+    get_disk_device_id | sed 's/[0-9]\+$//'
+}
+
+########################
+# Get the root disk size in bytes
+# Globals:
+#   None
+# Arguments:
+#   None
+# Returns:
+#   Root disk size in bytes
+#########################
+get_root_disk_size() {
+    fdisk -l "$(get_root_disk_device_id)" | grep 'Disk.*bytes' | sed -E 's/.*, ([0-9]+) bytes,.*/\1/' || true
+}
diff --git a/bitnami/mariadb-galera/README.md b/bitnami/mariadb-galera/README.md
index 593ae9c3c676..b3c6bf0ba966 100644
--- a/bitnami/mariadb-galera/README.md
+++ b/bitnami/mariadb-galera/README.md
@@ -57,7 +57,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`10.6`, `10.6-debian-11`, `10.6.10`, `10.6.10-debian-11-r1` (10.6/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/mariadb-galera/10.6/debian-11/Dockerfile)
 * [`10.5`, `10.5-debian-11`, `10.5.17`, `10.5.17-debian-11-r12` (10.5/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/mariadb-galera/10.5/debian-11/Dockerfile)
 * [`10.4`, `10.4-debian-11`, `10.4.26`, `10.4.26-debian-11-r11` (10.4/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/mariadb-galera/10.4/debian-11/Dockerfile)
-* [`10.3`, `10.3-debian-11`, `10.3.36`, `10.3.36-debian-11-r11` (10.3/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/mariadb-galera/10.3/debian-11/Dockerfile)
+* [`10.3`, `10.3-debian-11`, `10.3.36`, `10.3.36-debian-11-r12` (10.3/debian-11/Dockerfile)](https://github.com/bitnami/containers/blob/main/bitnami/mariadb-galera/10.3/debian-11/Dockerfile)
 
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