diff --git a/Misc/NEWS.d/next/Library/2022-04-08-14-30-53.bpo-47260.TtcNxI.rst b/Misc/NEWS.d/next/Library/2022-04-08-14-30-53.bpo-47260.TtcNxI.rst
new file mode 100644
index 00000000000000..300baa19c279a3
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-04-08-14-30-53.bpo-47260.TtcNxI.rst
@@ -0,0 +1,2 @@
+Fix ``os.closerange()`` potentially being a no-op in a Linux seccomp
+sandbox.
diff --git a/Python/fileutils.c b/Python/fileutils.c
index c3144ee40782e8..3b53baa00eeb10 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -2395,10 +2395,11 @@ _Py_closerange(int first, int last)
     first = Py_MAX(first, 0);
     _Py_BEGIN_SUPPRESS_IPH
 #ifdef HAVE_CLOSE_RANGE
-    if (close_range(first, last, 0) == 0 || errno != ENOSYS) {
-        /* Any errors encountered while closing file descriptors are ignored;
-         * ENOSYS means no kernel support, though,
-         * so we'll fallback to the other methods. */
+    if (close_range(first, last, 0) == 0) {
+        /* close_range() ignores errors when it closes file descriptors.
+         * Possible reasons of an error return are lack of kernel support
+         * or denial of the underlying syscall by a seccomp sandbox on Linux.
+         * Fallback to other methods in case of any error. */
     }
     else
 #endif /* HAVE_CLOSE_RANGE */