From mboxrd@z Thu Jan 1 00:00:00 1970 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 87348C531CB for ; Thu, 23 Jul 2026 09:26:27 +0000 (UTC) Received: from mail-pg1-f180.google.com (mail-pg1-f180.google.com [209.85.215.180]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.19529.1784798778963613198 for ; Thu, 23 Jul 2026 02:26:19 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@mvista.com header.s=google header.b=i+vbL05s; spf=pass (domain: mvista.com, ip: 209.85.215.180, mailfrom: sdoshi@mvista.com) Received: by mail-pg1-f180.google.com with SMTP id 41be03b00d2f7-c9c26a5fb98so169506a12.0 for ; Thu, 23 Jul 2026 02:26:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mvista.com; s=google; t=1784798778; x=1785403578; 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=WDhuEj5qrFtpVTGBOrlrppIQQpdz81Lb0x1DkjsxYFQ=; b=i+vbL05sslecQb2gDHw5Aky5robpFkPOoFVPt5Dc0oLxJxwG/w2+pluxdW+63lrwlc ES5ydHoZaMsko8h7IRozf1+aAlEAyUNAZWMr8YgCs32Iv5RYd1UpLOgrYWc4TjHufF10 OvO2Iz183NbC8JwUetxAeIUDu4yvcpgXdZ3uc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784798778; x=1785403578; 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=WDhuEj5qrFtpVTGBOrlrppIQQpdz81Lb0x1DkjsxYFQ=; b=j1bEk6wYq7CIG85gRhUx2OA+XHSeJOZzyGWYtX49T7QMmE1apAB683SBNjt5TqqbZD K8N4L5KtyFpjotc/dRdxo55nc0duWm7dffPrENO0e6s8bUHCCtn9bCTMUBl/1489aF6u T9BGJH3nvT9tLMQBFKosYDLK+hJoCBKw3xBl0D+4nILCjcRvo02ITJLG+DNUPs7Ot2Mz NqLY94ceVHP2h8+ud4oYy8RsS/D54DN8Ue3VsaXvKr2oN6emPw13wG3YTGg2NOcEKngI 0wz114RXNg2ZZv7H3KyuXfTB//pwNETrcv/QUYnuhMADmCFAOMYnIGU7f/1EBprfaOKY q/2g== X-Gm-Message-State: AOJu0YyEhuuyRYUeHW3HVDEIyd2C5sKQY3WGrhtShCKFURQ8F6vOvsNK O/E6pOk4Seyp6TvConEOD2QGf4FwdxnBIB4irW6nz3k9W6A9bVhNsZyraiI0v+r7w4dC/9X26MQ 7L4L0xpg= X-Gm-Gg: AR+sD1089MbbtIUZBaKVbuPRyBqfNi2PnOkGYFi8aPinPuJKSbOFOB6XbJp2S7W0oHJ G1yE4/7jcRFCu96fmph0+LzHgCNGupiy2RL4G2097DaubTZhPrN6gz/71vhn+V5Txo3a6qPbiih x2TNuG097yDVjJQRQwDYU7barMx5X5J2426e5uHWEzggwYx9C3A46WzB+LTmorH0hYBW2fXA0Gb kS1VAvSz2qrJXnyhIBaPFCupBWyoi02RHnQAd4Iu4JvwF3rKVEsXcBws5ClNpeQF0/Xso7EwG5v TLDIGD7ZQ72ox7GEBwn1Oddo1QrCedC2wQNTw+u+ggtFeM+Cxp/Y+HKu6YCQje6yPXJqzScCBnA 7DDv3+zaDL3VlnVZvCEReiHzCP5o5U5TDXG3EUN8EXHUOGPUU3FbGGdOaohXa+yYNNKJ39n5aRy 3lVw8Y42T8VdI= X-Received: by 2002:a05:6a20:9144:b0:3b4:6af4:bdd5 with SMTP id adf61e73a8af0-3c44c9c5d2cmr2093539637.15.1784798778317; Thu, 23 Jul 2026 02:26:18 -0700 (PDT) Received: from MVIN00030.mvista.com ([157.32.44.18]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3147e1c7ff4sm19333788eec.27.2026.07.23.02.26.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Jul 2026 02:26:16 -0700 (PDT) From: Siddharth To: openembedded-core@lists.openembedded.org Cc: Siddharth Doshi Subject: [OE-core][scarthgap][PATCHv2 06/13] vim: Security Fix for CVE-2026-55693 Date: Thu, 23 Jul 2026 14:53:47 +0530 Message-Id: <20260723092354.54697-6-sdoshi@mvista.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260723092354.54697-1-sdoshi@mvista.com> References: <20260723092354.54697-1-sdoshi@mvista.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 ; Thu, 23 Jul 2026 09:26:27 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/241810 From: Siddharth Doshi Picking patch as per [1], and same patch is mentioned in [2] References: [1] https://nvd.nist.gov/vuln/detail/CVE-2026-55693 [2] https://security-tracker.debian.org/tracker/CVE-2026-55693 Signed-off-by: Siddharth Doshi --- .../vim/files/CVE-2026-55693.patch | 88 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 89 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-55693.patch diff --git a/meta/recipes-support/vim/files/CVE-2026-55693.patch b/meta/recipes-support/vim/files/CVE-2026-55693.patch new file mode 100644 index 0000000000..d35b6f5fe5 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-55693.patch @@ -0,0 +1,88 @@ +From 315b35adb406138c962bcc653db95acc3c87c8ab Mon Sep 17 00:00:00 2001 +From: Christian Brabandt +Date: Mon, 15 Jun 2026 19:39:08 +0000 +Subject: [PATCH 09/17] patch 9.2.0653: [security]: out-of-bounds write in + tree_count_words() + +Problem: [security]: a crafted spell file can drive tree_count_words() + past the end of its MAXWLEN-sized depth arrays; the descent + loop has no depth bound. +Solution: only descend while depth < MAXWLEN - 1, as the sibling trie + walkers already do; apply the same guard to sug_filltree(). + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-wgh4-64f7-q3jq + +Supported by AI. + +Signed-off-by: Christian Brabandt + +Upstream-Status: Backport [https://github.com/vim/vim/commit/a80874d9b84a01040e3d1aef2d4a59e1934dafb7] +CVE: CVE-2026-55693 +Signed-off-by: Siddharth Doshi +--- + src/spellfile.c | 4 ++-- + src/testdir/test_spellfile.vim | 27 +++++++++++++++++++++++++++ + 2 files changed, 29 insertions(+), 2 deletions(-) + +diff --git a/src/spellfile.c b/src/spellfile.c +index 0b9536dc16..0010d9aa27 100644 +--- a/src/spellfile.c ++++ b/src/spellfile.c +@@ -645,7 +645,7 @@ tree_count_words(char_u *byts, idx_T *idxs) + ++curi[depth]; + } + } +- else ++ else if (depth < MAXWLEN - 1) + { + // Normal char, go one level deeper to count the words. + ++depth; +@@ -5648,7 +5648,7 @@ sug_filltree(spellinfo_T *spin, slang_T *slang) + ++curi[depth]; + } + } +- else ++ else if (depth < MAXWLEN - 1) + { + // Normal char, go one level deeper. + tword[depth++] = c; +diff --git a/src/testdir/test_spellfile.vim b/src/testdir/test_spellfile.vim +index b72974ed07..e5f8c5778f 100644 +--- a/src/testdir/test_spellfile.vim ++++ b/src/testdir/test_spellfile.vim +@@ -1166,4 +1166,31 @@ func Test_mkspell_empty_dic() + endfunc + + ++func Test_spell_sug_tree_count_words_overflow() ++ " A crafted .spl/.sug pair with a BY_INDEX self-cycle in the fold word tree ++ " parses cleanly (shared refs aren't recursed, so read_tree_node()'s depth ++ " cap never trips), but drove tree_count_words() past its MAXWLEN-sized depth ++ " arrays -> stack out-of-bounds write. The walk only happens when ++ " spellsuggest() loads the matching .sug. Reaching the assert == no OOB. ++ call mkdir('Xrtp/spell', 'pR') ++ " VIMspell + v50, SN_SUGFILE(ts), SN_END, LWORDTREE{node:1,BY_INDEX->0,'A'}, ++ " empty KWORDTREE/PREFIXTREE ++ let spl = eval('0z56494D7370656C6C320B0000000008000000001234' ++ \ .. '5678FF000000020101000000410000000000000000') ++ " VIMsug + v1, matching ts, SUGWORDTREE word "a", empty SUGTABLE ++ let sug = 0z56494D737567010000000012345678000000040161010000000000 ++ call writefile(spl, 'Xrtp/spell/xx.utf-8.spl', 'b') ++ call writefile(sug, 'Xrtp/spell/xx.utf-8.sug', 'b') ++ ++ new ++ set runtimepath+=./Xrtp ++ set spelllang=xx ++ set spell ++ " Unpatched: OOB write here (ASan abort, or crash). Patched: returns a list. ++ call assert_equal(v:t_list, type(spellsuggest('helloo'))) ++ ++ set spell& spelllang& runtimepath& ++ bwipe! ++endfunc ++ + " vim: shiftwidth=2 sts=2 expandtab +-- +2.44.4 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index ec2cedc965..248160a82c 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -41,6 +41,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https \ file://CVE-2026-43961.patch \ file://CVE-2026-47162.patch \ file://CVE-2026-47167.patch \ + file://CVE-2026-55693.patch \ " PV .= ".1683" -- 2.34.1