From patchwork Tue Sep 1 07:44:43 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hitendra Prajapati X-Patchwork-Id: 96939 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1578C61DD6 for ; Tue, 1 Sep 2026 07:45:24 +0000 (UTC) Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) by mx.groups.io with SMTP id smtpd.msgproc01-g2.2555.1788248720397482565 for ; Tue, 01 Sep 2026 00:45:20 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@mvista.com header.s=google header.b=kMkmkVED; spf=pass (domain: mvista.com, ip: 209.85.216.52, mailfrom: hprajapati@mvista.com) Received: by mail-pj1-f52.google.com with SMTP id 98e67ed59e1d1-396750cfee6so3574097a91.2 for ; Tue, 01 Sep 2026 00:45:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mvista.com; s=google; t=1788248720; x=1788853520; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=CWGfx+UUNtGpNlLy7RVwYblDdrzeNj9UUGuetIAs6NU=; b=kMkmkVED2r5+3Cb/kkROLm+DtRpEZmrpvF6l/LF2/fF4k/HQm1Js+St1B8OXne37U1 hSMu/SVoLhI5HMTEHGGSfhBOEx2X2vLveMSIYB+PiXBHa1G2nRWAoxw03wpemPUubSrV wrh9RmvSGNxIf0kayy0Sh1uzf4Ck4hWPfbXds= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788248720; x=1788853520; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=CWGfx+UUNtGpNlLy7RVwYblDdrzeNj9UUGuetIAs6NU=; b=kIb8ElXdFVY1Vfnxjd2nGAY3b+x1CoBMAUy+O3YjmeJam2MSaUthDofJszvOqqTep8 /ssWwLX8WT8Qs3FV8ta0396OpTeSxS9bFIkEYqDXjU1/TP+f6frxm3GrcIvcc/HsJaiT V1p3LDnShnETWC/ZziIZCb399Qrx21l42tbMjA13jExpKG9hkJ2SMBPKg5vG9p7lpQgO uypPk3u5cusWneMNySFBaAoVl4pMGI6YNyM8ygn1LbaFv1tjR8hWkfzfgUyIUB/3K078 CtGIVDu5MKGOvRWx2aTxrbQBMa/b0JqChtG8TigF5u8nBOZcQjBVTldXUvyj+coK0FH3 ft+g== X-Gm-Message-State: AFuF++kyfg+hBCylpgEqto1ljgK6LagM7xMeJIUMuzbrLD/fH90xk+46 TvF40YlHLN02S5SFHxkfFM9ekJy0yC5IyenT1rz4jefepvNgnHI/mSlu4oTX6/NwXLAQIcm2ulB ZubUXyEQ= X-Gm-Gg: AYBFou37DBjD6j3p7LUJV80+KbWJ1mcSB9gD4O9h51iBNzrObUutTHJc7ywOGInqBlI G9K29Knvi6grzq6NMBJMOFHLb00Vx5RlOmAUwRA5p2bpiJ7T/Jwj0rWcYKLT8UAvhGhJQFZYKEO XOB94c+Jc5iRAl0NUaXUbM/ivFrDaskDoZa4dqSdZ2ugB5tCz1zhvwHVZhkn/RlG1Zt/SOii6S5 7gHjvNp3wQdd2Bb8kkWe3IAgN5t5Hri3dRTt3BetNGOMDpb5+KIMYHnB9VLZwBuiH5BIlxgJsj4 pf1phqUOHsb4qpf5uIf3HNRQnChHC1MRbsg2Xpb+J5wRuvhqpL2YaFxPDdQbckDxH2+/vlbKUwA /e/ajefh5gdfn6ipKcdNP6/LpV+/957wWN7ZQEA5FEWtfE800jBJzJjQJtcRcrqswuMNHpeeDug QKKQEWpad5irKLiDT5KhGXOaIR32d4qgZWUUl0qNK4uqrwg5Hw1VYa6yfx34ZzVxQjVnTzsRuXS Q== X-Received: by 2002:a17:90b:3c83:b0:398:9bd5:490b with SMTP id 98e67ed59e1d1-3989bd54c84mr35645390a91.18.1788248719735; Tue, 01 Sep 2026 00:45:19 -0700 (PDT) Received: from MVIN00013.mvista.com ([103.250.136.191]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-142e0de4de3sm47564414c88.12.2026.09.01.00.44.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Sep 2026 00:45:19 -0700 (PDT) From: Hitendra Prajapati To: openembedded-core@lists.openembedded.org Cc: Hitendra Prajapati Subject: [scarthgap][PATCH 2/3] vim: Fix for CVE-2026-73073 Date: Tue, 1 Sep 2026 13:14:43 +0530 Message-ID: <20260901074444.59811-2-hprajapati@mvista.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260901074444.59811-1-hprajapati@mvista.com> References: <20260901074444.59811-1-hprajapati@mvista.com> MIME-Version: 1.0 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 ; Tue, 01 Sep 2026 07:45:24 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/244803 Pick the patch from [1], also referenced in the NVD report [2]. [1] https://github.com/vim/vim/commit/2f628d8104958fa7421664f792ca6d4f7a39a10f [2] https://nvd.nist.gov/vuln/detail/CVE-2026-73073 Signed-off-by: Hitendra Prajapati --- .../vim/files/CVE-2026-73073.patch | 89 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 90 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-73073.patch diff --git a/meta/recipes-support/vim/files/CVE-2026-73073.patch b/meta/recipes-support/vim/files/CVE-2026-73073.patch new file mode 100644 index 0000000000..932580d3a1 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-73073.patch @@ -0,0 +1,89 @@ +From 2f628d8104958fa7421664f792ca6d4f7a39a10f Mon Sep 17 00:00:00 2001 +From: Yasuhiro Matsumoto +Date: Fri, 17 Jul 2026 09:11:42 +0900 +Subject: [PATCH] patch 9.2.0845: [security]: arbitrary Ex command execution + during C omni-completion + +Problem: [security]: arbitrary Ex command execution during C + omni-completion (Threonine) +Solution: Match tags typeref literally to block Ex command injection + (Yasuhiro Matsumoto). + +Escaping only "/" and "\" left the typeref able to break out of the +:vimgrep pattern without a "/": an unclosed "[" makes vimgrep's pattern +skipping fail, and the parser then treats a following "|" as a command +separator, so the tag value runs as Ex commands during C omni-completion. +Match the field literally with \V so no regex metacharacter can affect +pattern parsing. + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-cx73-phcg-3j5g + +Signed-off-by: Yasuhiro Matsumoto +Signed-off-by: Christian Brabandt + +CVE: CVE-2026-73073 +Upstream-Status: Backport [https://github.com/vim/vim/commit/2f628d8104958fa7421664f792ca6d4f7a39a10f] +Signed-off-by: Hitendra Prajapati +--- + runtime/autoload/ccomplete.vim | 5 ++++- + src/testdir/test_plugin_ccomplete.vim | 26 ++++++++++++++++++++++++++ + 2 files changed, 30 insertions(+), 1 deletion(-) + +diff --git a/runtime/autoload/ccomplete.vim b/runtime/autoload/ccomplete.vim +index 248d6f2e60..5a48581dcf 100644 +--- a/runtime/autoload/ccomplete.vim ++++ b/runtime/autoload/ccomplete.vim +@@ -592,8 +592,11 @@ def StructMembers( # {{{1 + if complete_check() + return [] + endif ++ # Match "typename" literally (\V): escaping alone is not enough, as e.g. ++ # an unclosed "[" makes vimgrep's pattern skipping fail and the rest of ++ # the tag value is then parsed as Ex commands. + execute 'silent! keepjumps noautocmd ' +- .. n .. 'vimgrep ' .. '/\t' .. escape(typename, '/\') .. '\(\t\|$\)/j ' ++ .. n .. 'vimgrep ' .. '/\t\V' .. escape(typename, '/\') .. '\m\(\t\|$\)/j ' + .. fnames + + qflist = getqflist() +diff --git a/src/testdir/test_plugin_ccomplete.vim b/src/testdir/test_plugin_ccomplete.vim +index a635bd50bd..c1754d17c1 100644 +--- a/src/testdir/test_plugin_ccomplete.vim ++++ b/src/testdir/test_plugin_ccomplete.vim +@@ -31,6 +31,32 @@ func Test_ccomplete_no_exec_via_typeref() + unlet! g:ccomplete_injected + endfunc + ++" Escaping "/" and "\" is not enough: with no "/" in the payload, an unclosed ++" "[" makes vimgrep's pattern skipping fail, and the command parser then treats ++" the first "|" as a command separator. The typeref must be matched literally. ++func Test_ccomplete_no_exec_via_typeref_bracket() ++ CheckUnix ++ let sentinel = tempname() ++ call delete(sentinel) ++ let tagsfile = s:WriteTags([ ++ \ "myvar\tmain.c\t/^x$/;\"\tv\ttyperef:struct:[|call system('touch " .. sentinel .. "')|####", ++ \ ]) ++ ++ let save_tags = &tags ++ let &tags = tagsfile ++ ++ new ++ call ccomplete#Complete(1, '') ++ call ccomplete#Complete(0, 'myvar.x') ++ ++ call assert_false(filereadable(sentinel), ++ \ 'typeref field was executed as an Ex command during omni-completion') ++ ++ bwipe! ++ let &tags = save_tags ++ call delete(sentinel) ++endfunc ++ + " A legitimate typeref must still drive struct-member completion: escaping the + " field value must not break the normal path. + func Test_ccomplete_typeref_completion_still_works() +-- +2.50.1 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index 6097fb72a2..c000f5b3ab 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -52,6 +52,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https \ file://CVE-2026-59857.patch \ file://CVE-2026-59858.patch \ file://CVE-2026-73072.patch \ + file://CVE-2026-73073.patch \ " PV .= ".1683"