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-rw-r--r--security/landlock/errata/abi-4.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/security/landlock/errata/abi-4.h b/security/landlock/errata/abi-4.h
index c052ee54f89f..fe11ec7d7ddf 100644
--- a/security/landlock/errata/abi-4.h
+++ b/security/landlock/errata/abi-4.h
@@ -11,5 +11,12 @@
* :manpage:`bind(2)` and :manpage:`connect(2)` operations. This change ensures
* that only TCP sockets are subject to TCP access rights, allowing other
* protocols to operate without unnecessary restrictions.
+ *
+ * Impact:
+ *
+ * In kernels without this fix, using ``LANDLOCK_ACCESS_NET_BIND_TCP`` or
+ * ``LANDLOCK_ACCESS_NET_CONNECT_TCP`` would incorrectly restrict non-TCP
+ * stream protocols (SMC, MPTCP, SCTP), potentially breaking applications
+ * that rely on these protocols while using Landlock network restrictions.
*/
LANDLOCK_ERRATUM(1)