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d="scan'208";a="521975019" Received: from rcdn-l-core-08.cisco.com ([173.37.255.145]) by rcdn-iport-2.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 16 Oct 2026 03:52:37 +0000 Received: from sjc-ads-5245.cisco.com (sjc-ads-5245.cisco.com [10.28.23.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by rcdn-l-core-08.cisco.com (Postfix) with ESMTPS id A9CC318000443; Fri, 16 Oct 2026 03:52:37 +0000 (GMT) Received: by sjc-ads-5245.cisco.com (Postfix, from userid 1887505) id 0C4BFCBEFAB; Thu, 15 Oct 2026 20:52:37 -0700 (PDT) From: "Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-core@lists.openembedded.org Cc: xe-linux-external@cisco.com Subject: [OE-core][wrynose][PATCH 08/10] openssh: Fix CVE-2026-106583 Date: Thu, 15 Oct 2026 20:52:34 -0700 Message-Id: <20261016035236.442896-9-hthakar@cisco.com> X-Mailer: git-send-email 2.35.6 In-Reply-To: <20261016035236.442896-1-hthakar@cisco.com> References: <20261016035236.442896-1-hthakar@cisco.com> MIME-Version: 1.0 X-Auto-Response-Suppress: DR, OOF, AutoReply X-Outbound-Client-TLS: ANONYMOUS;sjc-ads-5245.cisco.com [10.28.23.9];TLSv1.3;TLS_AES_256_GCM_SHA384;256 X-Outbound-SMTP-Client: 10.28.23.9, sjc-ads-5245.cisco.com X-Outbound-Node: rcdn-l-core-08.cisco.com List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 16 Oct 2026 03:52:44 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/247917 From: Hetvi Thakar This patch applies the upstream fix as referenced in [2], using the commit shown in [1]. The two other commits linked by [2] only add and adjust regression tests; they contain no functional security fix. [1] https://github.com/openssh/openssh-portable/commit/0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2 [2] https://ubuntu.com/security/CVE-2026-106583 Signed-off-by: Hetvi Thakar --- .../openssh/openssh/CVE-2026-106583.patch | 35 +++++++++++++++++++ .../openssh/openssh_10.3p1.bb | 1 + 2 files changed, 36 insertions(+) create mode 100644 meta/recipes-connectivity/openssh/openssh/CVE-2026-106583.patch diff --git a/meta/recipes-connectivity/openssh/openssh/CVE-2026-106583.patch b/meta/recipes-connectivity/openssh/openssh/CVE-2026-106583.patch new file mode 100644 index 0000000000..094f4bad63 --- /dev/null +++ b/meta/recipes-connectivity/openssh/openssh/CVE-2026-106583.patch @@ -0,0 +1,35 @@ +From 0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2 Mon Sep 17 00:00:00 2001 +From: "dtucker@openbsd.org" +Date: Mon, 5 Oct 2026 06:03:40 +0000 +Subject: [PATCH] upstream: Further restrict the characters allowed in a command-line + +supplied user name, disallowing '$' and '\'. Reported by SecBuddyF KeenLab +Tencent (CodeBuddy Security). + +OpenBSD-Commit-ID: 13671c178f492af63b5c1296f284818c7809ed9a + +CVE: CVE-2026-106583 +Upstream-Status: Backport [https://github.com/openssh/openssh-portable/commit/0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2] + +Backport Changes: +- Omitted the upstream readconf.c OpenBSD revision-only hunk and retained + the Wrynose OpenSSH 10.3p1 revision. + +(cherry picked from commit 0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2) +Signed-off-by: Hetvi Thakar +--- + readconf.c | 5 +---- + 1 file changed, 1 insertion(+), 4 deletions(-) + +diff --git a/readconf.c b/readconf.c +--- a/readconf.c ++++ b/readconf.c +@@ -3452 +3452 @@ ssh_valid_ruser(const char *s) +- if (strchr("'`\";&<>|(){}", s[i]) != NULL) ++ if (strchr("'`\";&<>|(){}$\\", s[i]) != NULL) +@@ -3457,3 +3457,0 @@ ssh_valid_ruser(const char *s) +- /* Disallow \ in last position */ +- if (s[i] == '\\' && s[i + 1] == '\0') +- return 0; +-- +2.43.0 diff --git a/meta/recipes-connectivity/openssh/openssh_10.3p1.bb b/meta/recipes-connectivity/openssh/openssh_10.3p1.bb index cd8b7169a8..4d9fd0c164 100644 --- a/meta/recipes-connectivity/openssh/openssh_10.3p1.bb +++ b/meta/recipes-connectivity/openssh/openssh_10.3p1.bb @@ -41,6 +41,7 @@ SRC_URI = "https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${PV}.ta file://CVE-2026-106587.patch \ file://CVE-2026-106582.patch \ file://CVE-2026-106585.patch \ + file://CVE-2026-106583.patch \ " SRC_URI[sha256sum] = "56682a36bb92dcf4b4f016fd8ec8e74059b79a8de25c15d670d731e7d18e45f4"