diff --git a/ChangeLog.d/aesni_has_support.txt b/ChangeLog.d/aesni_has_support.txt
index 6ae0a56..26b7c2c 100644
--- a/ChangeLog.d/aesni_has_support.txt
+++ b/ChangeLog.d/aesni_has_support.txt
@@ -13,3 +13,5 @@
      the adversary to conduct timing attacks and potentially recover the
      key. In particular, this attacker model may be possible against an SGX
      enclave.
+     The same vulnerability affects GCM acceleration, which could allow
+     a similarly powerful adversary to craft GCM forgeries.