TFMV-6: Add cc3xx_partial_tag_compare_on_chacha20_poly1305 advisory

Add the security advisory for the issue associated to CVE-2023-40271

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: I44bc426fb2c9de3200ec95e0be8dd474f8d9f355
diff --git a/docs/security/security_advisories/index.rst b/docs/security/security_advisories/index.rst
index b18800f..249f382 100644
--- a/docs/security/security_advisories/index.rst
+++ b/docs/security/security_advisories/index.rst
@@ -11,6 +11,7 @@
     crypto_multi_part_ops_abort_fail
     profile_small_key_id_encoding_vulnerability
     fwu_write_vulnerability
+    cc3xx_partial_tag_compare_on_chacha20_poly1305
 
 +------------+-----------------------------------------------------------------+
 | ID         | Title                                                           |
@@ -29,12 +30,16 @@
 +------------+-----------------------------------------------------------------+
 |  |TFMV-5|  | ``psa_fwu_write()`` may cause buffer overflow in SPE.           |
 +------------+-----------------------------------------------------------------+
+|  |TFMV-6|  | Partial tag comparison when using Chacha20-Poly1305 on the PSA  |
+|            | driver API interface in CryptoCell enabled platforms            |
++------------+-----------------------------------------------------------------+
 
 .. |TFMV-1| replace:: :doc:`TFMV-1 <stack_seal_vulnerability>`
 .. |TFMV-2| replace:: :doc:`TFMV-2 <svc_caller_sp_fetching_vulnerability>`
 .. |TFMV-3| replace:: :doc:`TFMV-3 <crypto_multi_part_ops_abort_fail>`
 .. |TFMV-4| replace:: :doc:`TFMV-4 <profile_small_key_id_encoding_vulnerability>`
 .. |TFMV-5| replace:: :doc:`TFMV-5 <fwu_write_vulnerability>`
+.. |TFMV-6| replace:: :doc:`TFMV-6 <cc3xx_partial_tag_compare_on_chacha20_poly1305>`
 
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