From patchwork Thu Nov 5 05:31:44 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco)" X-Patchwork-Id: 102972 Received: from rcdn-iport-8.cisco.com (rcdn-iport-8.cisco.com [173.37.86.79]) by mx.groups.io with SMTP id smtpd.msgproc01-g2.27793.1793856712315701654 for ; Wed, 04 Nov 2026 21:31:52 -0800 Authentication-Results: mx.groups.io; dkim=fail reason="dkim: message contains an insecure body length tag" header.i=@cisco.com header.s=iport01 header.b=DmImlrI0; spf=pass (domain: cisco.com, ip: 173.37.86.79, mailfrom: hthakar@cisco.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cisco.com; i=@cisco.com; l=3121; q=dns/txt; s=iport01; t=1793856712; x=1795066312; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=vunOuIviexyP6m+h8q+/IIf51VcK0sahIzDiRLoHKE8=; b=DmImlrI0afXBnrBLPH8zi+BGZxA8pFXwtMk2zSKC8bue416H8t6ZxJqN 5E/tTaaJwvAdY5vNqebciRxnep9j/bNrnzABCy9MEVeqMDjqU2hFxQwL4 SGvnlAimP7qzy+XGnRGsaAFLN/K9cE1BEm6fjkaAZ8hSknv9tcyET9DIR r0Tmwr5kaK1s3BVOiFsdE7/cXbOL8T4mPW/1soaqCGl6+k5HE1SVFh6NW w5ZYEMaK9EQap4dqay2wY4gPMCD2yJbcH+o7f/vJZZDVxIcucbXW8w0BT DUETRvLe8PUbLRgMl56nGetAwIhQ0GUxDfb+34qfY9fhILXpd96wz9hjE w==; X-CSE-ConnectionGUID: IAyQ7QO7Q3eB2PDEaesYUw== X-CSE-MsgGUID: iGCLlYF/QiGxkFaM4z3y5g== X-IPAS-Result: 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 IronPort-Data: A9a23:R2ks4KCKauXrqBVW/3/iw5YqxClBgxIJ4kV8jS/XYbTApDtz1WZTz 2oYWG2APfyDMWX1LtsgOd/n8k9XvpfRx9NgOVdlrnsFo1CmBibm6XV1Cm+qYkt+++WaFBoPA /02M4eGcYZsCCCM/n9BC5C5xVFkz6aEW7HgP+DNPyF1VGdMRTwo4f5Zs7ZRbrVA357jXGthh fuo+5eBYQb9h2YuWo4pw/vrRC1H7ayaVAww5jTSVdgT1HfCmn8cCo4oJK3ZBxPQXolOE+emc P3Ixbe/83mx109F5gSNy+uTnuUiG9Y+DCDW4pZkc/HKbitq+kTe5p0G2M80Mi+7vdkmc+dZk 72hvbToIesg0zaldO41C3G0GAkmVUFKFSOuzXWX6aSuI0P6n3TE4tx/NR4PGtIhoetdW1li2 PUVMwEwcUXW7w626OrTpuhEnM8vKozveYgYoHwllW2fBvc9SpeFSKLPjTNa9G5v3YYVQrCEO pdfMGY2BPjDS0Un1lM/CI4+leShnFH0ciZTrxSeoq9fD237kVcvium1aISEEjCMbcR6tWKcl 0yBxmXWEhI0PfnD22GUr33504cjmgu+Aur+DoaQ8eZnhlCWzGEfBBAaEFC8u/SRjk+lR8kZL FQZ/Ccrp6U++EGnCN7nUHWFTGWspBUQXZ9UVuY98gzIkvaS6AeCDW9CRTlEADA7iPILqfUR/ gfht7vU6fZH6dV5lVr1Gm+okA6P IronPort-HdrOrdr: A9a23:Cl8SMqir83Gns4xk40XaZ5Zkj3BQXvYji2hC6mlwRA09TyX+rb HLoB1173HJYVoqNU3I3OrwW5VoIkmskKKdn7NxAV7KZmCP0wGVxcNZnOnfKlbbdBEWmNQw6U 4ZSchDIey1K0RmhsDn5wT9OdMhzN6btJ2Mv47lvhBQpcUAUdAY0++/YTzrdHFLeA== X-Talos-CUID: 9a23:B+MD1G2GhAIuuf+vJxTpSbxfO+k0SyLk6yjpeEKSU15FZbSYUm6t5/Yx X-Talos-MUID: 9a23:DHrqZA+5vs+hmJscH9wT4S6Qf8ZHyICqOW5KqJQpq8qqPAksKWyM0TviFw== X-IronPort-Anti-Spam-Filtered: true X-IronPort-AV: E=Sophos;i="6.27,196,1787011200"; d="scan'208";a="536290069" Received: from rcdn-l-core-04.cisco.com ([173.37.255.141]) by rcdn-iport-8.cisco.com with ESMTP/TLS/TLS_AES_256_GCM_SHA384; 05 Nov 2026 05:31:49 +0000 Received: from sjc-ads-2020.cisco.com (sjc-ads-2020.cisco.com [171.70.61.208]) (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 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "ciscoit-managed-infra-smtp-auth.cisco.com", Issuer "Internal Private TLS SubCA" (verified OK)) by rcdn-l-core-04.cisco.com (Postfix) with ESMTPS id 5DD7E180005C7 for ; Thu, 5 Nov 2026 05:31:49 +0000 (GMT) Received: by sjc-ads-2020.cisco.com (Postfix, from userid 1887505) id 02076CC124E; Wed, 4 Nov 2026 21:31:49 -0800 (PST) From: "Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco)" To: openembedded-core@lists.openembedded.org Subject: [OE-core][scarthgap][PATCH 4/8] openssh: Fix CVE-2026-106583 Date: Wed, 4 Nov 2026 21:31:44 -0800 Message-Id: <20261105053148.2704106-4-hthakar@cisco.com> X-Mailer: git-send-email 2.35.6 In-Reply-To: <20261105053148.2704106-1-hthakar@cisco.com> References: <20261105053148.2704106-1-hthakar@cisco.com> MIME-Version: 1.0 X-Outbound-Client-TLS: VERIFIED;sjc-ads-2020.cisco.com [171.70.61.208];TLSv1.3;TLS_AES_256_GCM_SHA384;256;ciscoit-managed-infra-smtp-auth.cisco.com X-Outbound-SMTP-Client: 171.70.61.208, sjc-ads-2020.cisco.com X-Outbound-Node: rcdn-l-core-04.cisco.com List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by lin-tor-korg-lkml-alma10-1 with HTTPS for ; Thu, 05 Nov 2026 05:31:55 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/249440 From: Hetvi Thakar This patch applies the upstream OpenSSH 10.6p1 backport for CVE-2026-106583. The fix is referenced in [1] and the advisory in [2]. [1] https://github.com/openssh/openssh-portable/commit/0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-106583 Signed-off-by: Hetvi Thakar --- .../openssh/openssh/CVE-2026-106583.patch | 46 +++++++++++++++++++ .../openssh/openssh_9.6p1.bb | 1 + 2 files changed, 47 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..c813754d27 --- /dev/null +++ b/meta/recipes-connectivity/openssh/openssh/CVE-2026-106583.patch @@ -0,0 +1,46 @@ +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 '$' and '\'. Reported by SecBuddyF KeenLab +Tencent (CodeBuddy Security). + +OpenBSD-Commit-ID: 13671c178f492af63b5c1296f284818c7809ed9a + +CVE: CVE-2026-106583 +Upstream-Status: Backport [https://github.com/openssh/openssh-portable/commit/0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2] + +Backport Changes: +- Applied the username validation change to ssh.c:valid_ruser(), where + the equivalent validator resides in OpenSSH 9.6p1. Upstream changes + readconf.c:ssh_valid_ruser(). +- Omitted the upstream readconf.c OpenBSD RCS revision-only hunk. + +(cherry picked from commit 0c4c9a7b320bd7ff61c4a2dc345cb2e27e9663b2) +Signed-off-by: Hetvi Thakar +--- + ssh.c | 5 +---- + 1 file changed, 1 insertion(+), 4 deletions(-) + +diff --git a/ssh.c b/ssh.c +index 2d2837d..91f7109 100644 +--- a/ssh.c ++++ b/ssh.c +@@ -631,14 +631,11 @@ valid_ruser(const char *s) + for (i = 0; s[i] != 0; i++) { + if (iscntrl((u_char)s[i])) + return 0; +- if (strchr("'`\";&<>|(){}", s[i]) != NULL) ++ if (strchr("'`\";&<>|(){}$\\", s[i]) != NULL) + return 0; + /* Disallow '-' after whitespace */ + if (isspace((u_char)s[i]) && s[i + 1] == '-') + return 0; +- /* Disallow \ in last position */ +- if (s[i] == '\\' && s[i + 1] == '\0') +- return 0; + } + return 1; + } diff --git a/meta/recipes-connectivity/openssh/openssh_9.6p1.bb b/meta/recipes-connectivity/openssh/openssh_9.6p1.bb index 5fe975180e..ce60645b01 100644 --- a/meta/recipes-connectivity/openssh/openssh_9.6p1.bb +++ b/meta/recipes-connectivity/openssh/openssh_9.6p1.bb @@ -49,6 +49,7 @@ SRC_URI = "http://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${PV}.tar file://CVE-2026-106586_p3.patch \ file://CVE-2026-106585.patch \ file://CVE-2026-106584.patch \ + file://CVE-2026-106583.patch \ file://CVE-2026-73283.patch \ file://CVE-2026-73282.patch \ file://CVE-2026-73281.patch \