From patchwork Tue Oct 20 06:16:10 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hitendra Prajapati X-Patchwork-Id: 101341 Received: from mail-dy1-f181.google.com (mail-dy1-f181.google.com [74.125.82.181]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.1383.1792476980370172259 for ; Mon, 19 Oct 2026 23:16:20 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@mvista.com header.s=google header.b=OtItb4HJ; spf=pass (domain: mvista.com, ip: 74.125.82.181, mailfrom: hprajapati@mvista.com) Received: by mail-dy1-f181.google.com with SMTP id 5a478bee46e88-3514b90bb89so7608115eec.1 for ; Mon, 19 Oct 2026 23:16:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mvista.com; s=google; t=1792476980; x=1793081780; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=t4IJ6ZDNg7WDa2k7XLjh8Zu901KtqSK33pMO/9AmVMI=; b=OtItb4HJt6c60dC/2LXkNyN0GRu0moXy0mj3uC2z+gvw0zLUpdWET3Xb0FPLRK0oXp i5Wgf6zYiJtBO4w8mbZGUkzmeIS6WEAW0KFZUaoxlq19v1XZDXM1ZGbhUKH26LO0FkIQ 40vFw5aPA9GVJ1mErMfNf/C2aQwbKo68m1ye8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792476980; x=1793081780; h=content-transfer-encoding:mime-version: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=t4IJ6ZDNg7WDa2k7XLjh8Zu901KtqSK33pMO/9AmVMI=; b=a7RurF10vXZ70Bp8I2W+tBtMEdI+5RbQp+2O9gxhY/TvdE33jlMFDpytuwaFycwSi8 iSiAPYwpxhEso8B+3jIHWCeY03rKpSqNQEU/nQ2UWN3eWyzMm/M7Ntt40AWDR6Tz4STI Xh/CPrbSbtaAkn5EjG/xAo8lOFG7j8gKZLzCsXszU9T3pqJ8vBy3STzUHfFlf6qgpfC8 X3U9Se9yWX1jkqb8TalbJpreEKphYXYz9E4YmLhADz/iEkbG7kDLzXlEoCC4SV3fUNAE 9Nvs71ARLqYmmCu7NO10A3PafPx9eI0YeeNN+GyaUrLs4UzTTdePAl+qLQ/x16v9EioF Z2Eg== X-Gm-Message-State: AFq9FYIP7IcwOOCarjtyQ3y48/8xfhG6/Bpu3OdwYWNRvre8INz8LVN0 YEmZjFfvDRRXPTJQoYr9OC1f0G5N06rxoQmWLHEPO2rFQmyDFAi/neYO+KBejbXj3t9SIs5O7ju 8OF+G5aw= X-Gm-Gg: AYBFou3ur+3NpY3OF51033VtNH61ty0N5jeZrKlpugUFbveSd23hNqI0WGCcdqnf75M 3nRySJsXMBol53kLGwMNHxTSJeu1GT0z8ohLapkPNUMcyTKc4Z31uFUSr3+zSgZwHQd+ATbi29Y 79ILOmXZwjvARXiag1VvDsqtzCMMallJ4KBIdBpLaf12X+3SFauzIQKxa6sgh/DiPrIvMh2s37j 1tFEDAIChfsSau3RU879wY0bx3EK4NIAp5Zk3jK3eEi5EpolLQjLRhlezZLYm/vClQ0Hci8uRcT ZaiqNPNVbex3kfdFTGULGcE43ammKjqSFE8UYjrkRZRv2hHmrJ920hFd/4hYrP1nE73ZUSg2U0u TJh3iMGOrz4fdpO8+QaBCBErlPn8m8JjNrRNC6SEsVMCTOsnPjkMQCCZ6prUgDP9p7+jXlzD7iP jpcHozma9WmAkOTihf8RhtaGoae58s4ecALlxTohA3+5PR+A5hxKIX04EIVyccGBkBbmxBamxnZ POsvLZpPEv4sEVbgb7gOA== X-Received: by 2002:a05:7300:c397:b0:35a:5153:ab24 with SMTP id 5a478bee46e88-361a146d9d2mr13859600eec.9.1792476979500; Mon, 19 Oct 2026 23:16:19 -0700 (PDT) Return-Path: Received: from MVIN00013.mvista.com ([103.250.136.252]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-360813b63e1sm39564310eec.8.2026.10.19.23.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Oct 2026 23:16:19 -0700 (PDT) From: Hitendra Prajapati To: openembedded-core@lists.openembedded.org Cc: Hitendra Prajapati Subject: [scarthgap][PATCHv4] vim: Fix for CVE-2026-73076 Date: Tue, 20 Oct 2026 11:46:10 +0530 Message-ID: <20261020061611.9031-1-hprajapati@mvista.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 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 ; Tue, 20 Oct 2026 06:16:31 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/248220 Pick the patch from [1], also referenced in the NVD report [2]. [1] https://github.com/vim/vim/commit/581a2f3ac9c6f96a26324f6b2c8c11415fd0d452 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-73076 Signed-off-by: Hitendra Prajapati --- .../vim/files/CVE-2026-73076.patch | 155 ++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 156 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-73076.patch diff --git a/meta/recipes-support/vim/files/CVE-2026-73076.patch b/meta/recipes-support/vim/files/CVE-2026-73076.patch new file mode 100644 index 0000000000..892bec3567 --- /dev/null +++ b/meta/recipes-support/vim/files/CVE-2026-73076.patch @@ -0,0 +1,155 @@ +From b270bf38cd33c2b0724f214454e4bca1fccc65c1 Mon Sep 17 00:00:00 2001 +From: Christian Brabandt +Date: Fri, 24 Jul 2026 17:43:51 +0200 +Subject: [PATCH] patch 9.2.0847: [security]: vimball: code execution via + .VimballRecord file + +Problem: [security]: vimball: code execution via .VimballRecord file + (tdjackey) +Solution: Forbid arbitrary commands, fix broken directory deletion code, + refactor code + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-r22p-fhw4-84p2 +Signed-off-by: Christian Brabandt + +Backport Changes: + +The .VimballRecord rejection is placed after the fenc/filecnt extraction +because the earlier strange-filename check block present in upstream 9.2 does +not exist in the 9.1.1683 vim sources. +Omitted src/testdir/test_plugin_vimball.vim because the current vim source +archive does not include it. + +CVE: CVE-2026-73076 +Upstream-Status: Backport [https://github.com/vim/vim/commit/581a2f3ac9c6f96a26324f6b2c8c11415fd0d452] +Signed-off-by: Hitendra Prajapati +--- + runtime/autoload/vimball.vim | 62 +++++++++++++++++++++--------------- + 1 file changed, 37 insertions(+), 25 deletions(-) + +diff --git a/runtime/autoload/vimball.vim b/runtime/autoload/vimball.vim +index 6456984411..3776314b88 100644 +--- a/runtime/autoload/vimball.vim ++++ b/runtime/autoload/vimball.vim +@@ -18,9 +18,9 @@ if &cp || exists("g:loaded_vimball") + finish + endif + let g:loaded_vimball = "v37" +-if v:version < 702 ++if v:version < 900 + echohl WarningMsg +- echo "***warning*** this version of vimball needs vim 7.2" ++ echo "***warning*** this version of vimball needs vim 9.0" + echohl Normal + finish + endif +@@ -270,6 +270,13 @@ fun! vimball#Vimball(really,...) + let fenc = substitute(getline(linenr+1),'^\d\+\s*\(\S\{-}\)$','\1','') + let filecnt = filecnt + 1 + " call Decho("fname<".fname."> fsize=".fsize." filecnt=".filecnt. " fenc=".fenc) ++ if fname =~? '\%(^\|/\)\.VimballRecord$' ++ echomsg "(Vimball) Forbidding .VimballRecord filename, aborting..." ++ exe "tabn ".curtabnr ++ bw! Vimball ++ call s:ChgDir(curdir) ++ return ++ endif + + if a:really + echomsg "extracted <".fname.">: ".fsize." lines" +@@ -309,7 +316,7 @@ fun! vimball#Vimball(really,...) + else + call mkdir(dirname) + endif +- call s:RecordInVar(home,"rmdir('".dirname."')") ++ call s:RecordDirInVar(dirname) + endif + endwhile + endif +@@ -343,7 +350,7 @@ fun! vimball#Vimball(really,...) + exe "silent w! ".fnameescape(fnamepath) + endif + echo "wrote ".fnameescape(fnamepath) +- call s:RecordInVar(home,"call delete('".fnamepath."')") ++ call s:RecordInVar(fnamepath) + endif + + " return to tab with vimball +@@ -464,11 +471,17 @@ fun! vimball#RmVimball(...) + let s:VBRstring= substitute(exestring,'call delete(','','g') + let s:VBRstring= substitute(s:VBRstring,"[')]",'','g') + " call Decho("exe ".exestring) +- sil! keepalt keepjumps exe exestring ++ let nr_files= 0 ++ for line in split(exestring, '|') ++ if line !~ '^call delete(''[^'']\{-}''\(,"d"\)\?)$' ++ echomsg "ignoring .VimballRecord entry: " line ++ else ++ sil! keepalt keepjumps exe line ++ let nr_files+= 1 ++ endif ++ endfor + sil! keepalt keepjumps d +- let exestring= strlen(substitute(exestring,'call delete(.\{-})|\=',"D","g")) +-" call Decho("exestring<".exestring.">") +- echomsg "removed ".exestring." files" ++ echomsg "removed ".nr_files." files" + else + let s:VBRstring= '' + let curfile = substitute(curfile,'\.vmb','','') +@@ -622,23 +635,22 @@ fun! s:ChgDir(newdir) + endfun + + " --------------------------------------------------------------------- +-" s:RecordInVar: record a un-vimball command in the .VimballRecord file {{{2 +-fun! s:RecordInVar(home,cmd) +-" call Dfunc("RecordInVar(home<".a:home."> cmd<".a:cmd.">)") +- if a:cmd =~ '^rmdir' +-" if !exists("s:recorddir") +-" let s:recorddir= substitute(a:cmd,'^rmdir',"call s:Rmdir",'') +-" else +-" let s:recorddir= s:recorddir."|".substitute(a:cmd,'^rmdir',"call s:Rmdir",'') +-" endif +- elseif !exists("s:recordfile") +- let s:recordfile= a:cmd +- else +- let s:recordfile= s:recordfile."|".a:cmd ++" s:RecordInVar: record a un-vimball file deletion in the .VimballRecord file {{{2 ++fun! s:RecordInVar(file) ++ if !exists("s:recordfile") ++ let s:recordfile=[] + endif +-" call Dret("RecordInVar : s:recordfile<".(exists("s:recordfile")? s:recordfile : "")."> s:recorddir<".(exists("s:recorddir")? s:recorddir : "").">") ++ call add(s:recordfile, $'call delete({string(a:file)})') + endfun + ++" s:RecordDirInVar: record a un-vimball dir deletion in the .VimballRecord file {{{2 ++fun! s:RecordDirInVar(dir) ++ if !exists("s:recorddir") ++ let s:recorddir = [] ++ endif ++ call add(s:recorddir, $'call delete({string(a:dir)},"d")') ++ endfun ++ + " --------------------------------------------------------------------- + " s:RecordInFile: {{{2 + fun! s:RecordInFile(home) +@@ -660,11 +672,11 @@ fun! s:RecordInFile(home) + setlocal ma + $ + if exists("s:recordfile") && exists("s:recorddir") +- let cmd= cmd.s:recordfile."|".s:recorddir ++ let cmd= cmd.join(s:recordfile, '|')."|".join(s:recorddir, '|') + elseif exists("s:recorddir") +- let cmd= cmd.s:recorddir ++ let cmd= cmd.join(s:recorddir, '|') + elseif exists("s:recordfile") +- let cmd= cmd.s:recordfile ++ let cmd= cmd.join(s:recordfile, '|') + else + " call Dret("s:RecordInFile : neither recordfile nor recorddir exist") + return +-- +2.50.1 + diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc index f84d2a9688..3a8b67085a 100644 --- a/meta/recipes-support/vim/vim.inc +++ b/meta/recipes-support/vim/vim.inc @@ -58,6 +58,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https \ file://CVE-2026-73074.patch \ file://CVE-2026-73077.patch \ file://CVE-2026-73078.patch \ + file://CVE-2026-73076.patch \ " PV .= ".1683"