From nobody Tue Sep 29 15:59:22 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hvNCb2dCzz6tlF0 for ; Tue, 29 Sep 2026 15:59:23 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hvNCZ6HMtz4dyL for ; Tue, 29 Sep 2026 15:59:22 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1790697563; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7uEX8tSWopdYGDOUK0UvZ8BX3OH8KkM8sXmdDcNnlIM=; b=kiLmKcKGs7ki2zmxHihPT1s3/GtjhMYAjGYrBA7bn1ScfhTZtnkdK49kKZoPnW/yrs5CCI 1yhmaCf9Xr5GxITFyQxZL/aXy0JZJ4OCeLL/LVkAo8P9nQiKAn8X/6GxuAlXEu6wEtiUjj 5gRwx+iP94FjJlzI7a/S7bHmSBI18GC6fXt1eFDpi5jBomIpsQTX5cBAfVS6eDkXi/hfEq 6mDauo0Xi/aGZplxzZXdX3gewe8ZdbEkmfspNeOFbzLa5aiQ5BV6mF6O24uOT4UVqLjFx6 VgwQEZhcpLxno9C0Itq6R+74xM3dVnYE85jjqKSV++KdNbcdyg5SJoIx8QMwcw== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1790697563; b=ef1Z7LEuAD42CMfD9pFslkynymDDLkGdc85cXrKw7L3CaAJVN78WAGVAu0cYWTiH5UEMH7 Nhc9psHvDIFoOE0U4kDSv0bO7GpL1ibM6LD3nA5EqvdF8iRBF+7sMKH0Bw7+MubPOkQ9Jg lMlqacoxaku4avK4fcQfFBvYOOD13gprj0XOKLR5Jlm9a2LtWoMVKOhluiWwAsED6cqxn0 j9/81Yh6rQ2SLLFbWyyrc0tPWb07sJvqyzpkvu1rVtyPHdYFnlwJZEiBrGfJLUgcpkoH9n QByd77YOgsH2U9S6VA2qjMVzSc8WtYSk9YUC3o9Vl2NWau4t/hnTRxk+Kzb+yg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1790697563; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7uEX8tSWopdYGDOUK0UvZ8BX3OH8KkM8sXmdDcNnlIM=; b=q4WZhW+KGyBSMjsVArlO7z25tll0sFk1NJ/xkEUxVV/nU+09FDp8mGU/CXGaCFivQeNoGn 4CJFFuluYGjfy+3RO3jv3/YcrqsJ0SiD/TJg0pm/tVy5OUprDZpGO7BThdQgjotVUxd2w+ Gwe5bLo3+cdZD+ybhb6ov8MZLKk1u1zkwX4zcDLK4D9lfZ22ea5icpiEu2beKmidk1I/op H5cmRRr5LGIuQFJv34jO1VUtfbfVGMjBoACO2/DIBihriDdWXOroIIxwv2WAT99Jz2LBWb xQiFYJI9DoLAW+Xo61UPz0jbP8Y5WVcPw2KDD9VmKFmgdB1oPxlTQQQv/iIg8A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hvNCZ5MFqz1KZj for ; Tue, 29 Sep 2026 15:59:22 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3023e by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 29 Sep 2026 15:59:22 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: ae084d5f1d7c - releng/15.0 - udp: Let jail policy rewrite the dstaddr for v6 sendto()s List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/releng/15.0 X-Git-Reftype: branch X-Git-Commit: ae084d5f1d7cce37d89aeda30fb27f28d46e2038 Auto-Submitted: auto-generated Date: Tue, 29 Sep 2026 15:59:22 +0000 Message-Id: <6abbe05a.3023e.5f986587@gitrepo.freebsd.org> The branch releng/15.0 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=ae084d5f1d7cce37d89aeda30fb27f28d46e2038 commit ae084d5f1d7cce37d89aeda30fb27f28d46e2038 Author: Mark Johnston AuthorDate: 2026-09-21 14:05:01 +0000 Commit: Mark Johnston CommitDate: 2026-09-28 18:14:41 +0000 udp: Let jail policy rewrite the dstaddr for v6 sendto()s When performing an unconnected sendto() on a v6 UDP socket in a classic jail, we were not applying the usual policy of replacing the loopback addr with the jail's primary IP. Compare with, e.g., udp6_connect() or the IPv4 udp_send(). Fix that. Approved by: so Security: FreeBSD-SA-26:69.udp Security: CVE-2026-101303 Reported by: Yuxiang Yang, Yizhou Zhao, Ao Wang, Xuewei Feng, Qi Li, and Ke Xu from Tsinghua University using GLM-5.1 from Z.ai Reviewed by: bz, glebius MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D59772 (cherry picked from commit fecb9537a83b6746bc731a7cb3bcf6a33df79562) (cherry picked from commit f3b4b6b756e2ce9e012068c5c91492f757b5c548) --- sys/netinet6/udp6_usrreq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c index 1a32365f5d1d..2feb35442f7e 100644 --- a/sys/netinet6/udp6_usrreq.c +++ b/sys/netinet6/udp6_usrreq.c @@ -831,6 +831,10 @@ udp6_send(struct socket *so, int flags_arg, struct mbuf *m, ("%s: sin6(%p)->sin6_addr is v4mapped which we " "should have handled.", __func__, sin6)); + error = prison_remote_ip6(td->td_ucred, &sin6->sin6_addr); + if (error != 0) + goto release; + /* This only requires read-locking. */ error = in6_selectsrc_socket(sin6, optp, inp, td->td_ucred, scope_ambiguous, &in6a, NULL);