diff --git a/src/Symfony/Component/Cache/Adapter/FilesystemTagAwareAdapter.php b/src/Symfony/Component/Cache/Adapter/FilesystemTagAwareAdapter.php
index 2163eb16f1dc8..e78536794ede2 100644
--- a/src/Symfony/Component/Cache/Adapter/FilesystemTagAwareAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/FilesystemTagAwareAdapter.php
@@ -25,6 +25,7 @@
 class FilesystemTagAwareAdapter extends AbstractTagAwareAdapter implements PruneableInterface
 {
     use FilesystemTrait {
+        prune as private doPrune;
         doClear as private doClearCache;
         doSave as private doSaveCache;
     }
@@ -41,6 +42,48 @@ public function __construct(string $namespace = '', int $defaultLifetime = 0, st
         $this->init($namespace, $directory);
     }
 
+    public function prune(): bool
+    {
+        $ok = $this->doPrune();
+
+        set_error_handler(static function () {});
+        $chars = '+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+
+        try {
+            foreach ($this->scanHashDir($this->directory.self::TAG_FOLDER.\DIRECTORY_SEPARATOR) as $dir) {
+                $dir .= \DIRECTORY_SEPARATOR;
+                $keepDir = false;
+                for ($i = 0; $i < 38; ++$i) {
+                    if (!is_dir($dir.$chars[$i])) {
+                        continue;
+                    }
+                    for ($j = 0; $j < 38; ++$j) {
+                        if (!is_dir($d = $dir.$chars[$i].\DIRECTORY_SEPARATOR.$chars[$j])) {
+                            continue;
+                        }
+                        foreach (scandir($d, \SCANDIR_SORT_NONE) ?: [] as $link) {
+                            if ('.' === $link || '..' === $link) {
+                                continue;
+                            }
+                            if ('_' !== $dir[-2] && realpath($d.\DIRECTORY_SEPARATOR.$link)) {
+                                $keepDir = true;
+                            } else {
+                                unlink($d.\DIRECTORY_SEPARATOR.$link);
+                            }
+                        }
+                        $keepDir ?: rmdir($d);
+                    }
+                    $keepDir ?: rmdir($dir.$chars[$i]);
+                }
+                $keepDir ?: rmdir($dir);
+            }
+        } finally {
+            restore_error_handler();
+        }
+
+        return $ok;
+    }
+
     protected function doClear(string $namespace): bool
     {
         $ok = $this->doClearCache($namespace);
@@ -52,9 +95,11 @@ protected function doClear(string $namespace): bool
         set_error_handler(static function () {});
         $chars = '+-ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
 
+        $this->tmpSuffix ??= str_replace('/', '-', base64_encode(random_bytes(6)));
+
         try {
             foreach ($this->scanHashDir($this->directory.self::TAG_FOLDER.\DIRECTORY_SEPARATOR) as $dir) {
-                if (rename($dir, $renamed = substr_replace($dir, bin2hex(random_bytes(4)), -8))) {
+                if (rename($dir, $renamed = substr_replace($dir, $this->tmpSuffix.'_', -9))) {
                     $dir = $renamed.\DIRECTORY_SEPARATOR;
                 } else {
                     $dir .= \DIRECTORY_SEPARATOR;
@@ -178,10 +223,12 @@ protected function doInvalidate(array $tagIds): bool
                 continue;
             }
 
+            $this->tmpSuffix ??= str_replace('/', '-', base64_encode(random_bytes(6)));
+
             set_error_handler(static function () {});
 
             try {
-                if (rename($tagFolder, $renamed = substr_replace($tagFolder, bin2hex(random_bytes(4)), -9))) {
+                if (rename($tagFolder, $renamed = substr_replace($tagFolder, $this->tmpSuffix.'_', -10))) {
                     $tagFolder = $renamed.\DIRECTORY_SEPARATOR;
                 } else {
                     $renamed = null;
diff --git a/src/Symfony/Component/Cache/Traits/FilesystemCommonTrait.php b/src/Symfony/Component/Cache/Traits/FilesystemCommonTrait.php
index 612631f176bc6..1182d0c095fc4 100644
--- a/src/Symfony/Component/Cache/Traits/FilesystemCommonTrait.php
+++ b/src/Symfony/Component/Cache/Traits/FilesystemCommonTrait.php
@@ -21,7 +21,7 @@
 trait FilesystemCommonTrait
 {
     private string $directory;
-    private string $tmp;
+    private string $tmpSuffix;
 
     private function init(string $namespace, ?string $directory)
     {
@@ -86,27 +86,25 @@ private function write(string $file, string $data, int $expiresAt = null)
     {
         set_error_handler(__CLASS__.'::throwError');
         try {
-            if (!isset($this->tmp)) {
-                $this->tmp = $this->directory.bin2hex(random_bytes(6));
-            }
+            $tmp = $this->directory.$this->tmpSuffix ??= str_replace('/', '-', base64_encode(random_bytes(6)));
             try {
-                $h = fopen($this->tmp, 'x');
+                $h = fopen($tmp, 'x');
             } catch (\ErrorException $e) {
                 if (!str_contains($e->getMessage(), 'File exists')) {
                     throw $e;
                 }
 
-                $this->tmp = $this->directory.bin2hex(random_bytes(6));
-                $h = fopen($this->tmp, 'x');
+                $tmp = $this->directory.$this->tmpSuffix = str_replace('/', '-', base64_encode(random_bytes(6)));
+                $h = fopen($tmp, 'x');
             }
             fwrite($h, $data);
             fclose($h);
 
             if (null !== $expiresAt) {
-                touch($this->tmp, $expiresAt ?: time() + 31556952); // 1 year in seconds
+                touch($tmp, $expiresAt ?: time() + 31556952); // 1 year in seconds
             }
 
-            return rename($this->tmp, $file);
+            return rename($tmp, $file);
         } finally {
             restore_error_handler();
         }
@@ -180,8 +178,8 @@ public function __destruct()
         if (method_exists(parent::class, '__destruct')) {
             parent::__destruct();
         }
-        if (isset($this->tmp) && is_file($this->tmp)) {
-            unlink($this->tmp);
+        if (isset($this->tmpSuffix) && is_file($this->directory.$this->tmpSuffix)) {
+            unlink($this->directory.$this->tmpSuffix);
         }
     }
 }