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authorMickaël Salaün <mic@digikod.net>2025-03-18 17:14:38 +0100
committerMickaël Salaün <mic@digikod.net>2025-03-21 12:12:20 +0100
commit48fce74fe209ba9e9b416d7100ccee546edc9fc6 (patch)
treec3ad0ac55de5344599cef697175b1ec524565b75 /security
parent15383a0d63dbcd63dc7e8d9ec1bf3a0f7ebf64ac (diff)
landlock: Add erratum for TCP fix
Add erratum for the TCP socket identification fixed with commit 854277e2cc8c ("landlock: Fix non-TCP sockets restriction"). Fixes: 854277e2cc8c ("landlock: Fix non-TCP sockets restriction") Cc: Günther Noack <gnoack@google.com> Cc: Mikhail Ivanov <ivanov.mikhail1@huawei-partners.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20250318161443.279194-4-mic@digikod.net Signed-off-by: Mickaël Salaün <mic@digikod.net>
Diffstat (limited to 'security')
-rw-r--r--security/landlock/errata/abi-4.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/security/landlock/errata/abi-4.h b/security/landlock/errata/abi-4.h
new file mode 100644
index 000000000000..c052ee54f89f
--- /dev/null
+++ b/security/landlock/errata/abi-4.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/**
+ * DOC: erratum_1
+ *
+ * Erratum 1: TCP socket identification
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * This fix addresses an issue where IPv4 and IPv6 stream sockets (e.g., SMC,
+ * MPTCP, or SCTP) were incorrectly restricted by TCP access rights during
+ * :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.
+ */
+LANDLOCK_ERRATUM(1)