From patchwork Fri Jun 5 22:33:55 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoann Congal X-Patchwork-Id: 89402 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 7038ACD8C88 for ; Fri, 5 Jun 2026 22:34:25 +0000 (UTC) Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.6272.1780698860396246477 for ; Fri, 05 Jun 2026 15:34:20 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@smile.fr header.s=google header.b=3IC4BYUB; spf=pass (domain: smile.fr, ip: 209.85.128.43, mailfrom: yoann.congal@smile.fr) Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-490af320e2aso27619365e9.2 for ; Fri, 05 Jun 2026 15:34:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=smile.fr; s=google; t=1780698859; x=1781303659; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=JsVM+GRR4zqA0MzNZFGLZJN5mpft0FN+JPRFIYOJMiQ=; b=3IC4BYUBnpixlrI5Pr24rNRSrxHjT4FcSAediIvCM52vKtgpaXxk05ujDlwOT1v4lc HCXa8CM3P/bQJTLwi7C4XP+mD/29OsonGJFOPyWzEG09SoUDKO7igrSspwqBJDCW2C47 BRxVAgyRHRlF+RrbHtnwuCbfOvgR7vLEI/gqk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780698859; x=1781303659; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=JsVM+GRR4zqA0MzNZFGLZJN5mpft0FN+JPRFIYOJMiQ=; b=qBDgEUMxesvtOczGZ4usSkAh615MkJwBdGx0KKbsHVQs9MvmnJBmwGnT9iuR5kU3m8 HuMYiQE5OIwBdFbrBI9fRLGnM+OhDiPOXDx0pmYQWt895IIc3gOJI+cwfsIkYY3xZT6i kDhUWkhcefXdg2s3QgZjEBlGwSSWtYnvUY2z1Onoz80Rj091wQcYFdP5W5ITwFdxYS84 N450CMzVsgTs5HgbcE2usr0EAZccaCYw2RrMsa8EgKfT6EIgtrNMPQ50BLcuNQdJn3xd K548/IowYJ/q29pXi4RE3Zgttb2dpR9b5c14IesxSYUADEhd0hM40BlrOmHLj/3vJsHD p1Mw== X-Gm-Message-State: AOJu0YywtSjbhS+yUPJblAHP57OYOuECIe1W44DbahxLyvG2KrbjbOUK EQL9btpdT9IP6RtOOVGvEsjh9xLwIPlW5Sj6ZqDlnFHJHa19/KOijYc5QpwT8sZl40kMWmamlaq L9+OK X-Gm-Gg: Acq92OHLds9wN1/xIcY4YjH8wJQVULCt5LfUHS+GfnwVH2pbuOgAf8cQbYt0k91+kl7 5+dfRemCymJjRaMslw5T0txS2VQh53qp4WGNu+cHyNK/fieurkZrgsB2K/TXJDaTY0j8KFJ0t6K XNSOa42WDlQXD2cdVWGdAEGA0vM3Omc1Wnmdf+m9epRehGzWb6m1Jr0ZvChgoKcRE/Rg43H+OXN ZkOolXzQycOBB7DdWoYsEj3HI9zVjO+gT17BVM1SighM7WwtqBNqlHijxJ5uv0qjO9IdFg7qjxG VcF03NopBMQH0wyIG8V2Sbq1Sal2J7WMkoHmBGtYRxO9L/4QpaV52ijOb7FlSIwoozFLCcGQAfk kZKytehe/TTzc9JtNes3YZC1htjOsMa9MNYnoIPYEymTuzLORTNUH9BwpKb1Y26MXc2vZlv56fT RVo0GZbEny2oiPWyC1pCLG7l1CBG3cTN2wEzjGHRBtQojay5nr9kFMxbaP9zOhD8eXlT5TMnPMJ BIBH/KHZwiX0To2aoNGStPqnkEkgQq3OBERu2A= X-Received: by 2002:a05:600c:3e0a:b0:490:b724:dbe3 with SMTP id 5b1f17b1804b1-490c25a07c4mr89260935e9.8.1780698858737; Fri, 05 Jun 2026 15:34:18 -0700 (PDT) Received: from FRSMI25-LASER.home (2a01cb001331aa00b3e1ccc1be2b2798.ipv6.abo.wanadoo.fr. [2a01:cb00:1331:aa00:b3e1:ccc1:be2b:2798]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4601f2e4b18sm22132409f8f.10.2026.06.05.15.34.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2026 15:34:18 -0700 (PDT) From: Yoann Congal To: openembedded-core@lists.openembedded.org Subject: [OE-core][scarthgap 10/25] libexif: fix for CVE-2026-40385, CVE-2026-40386 Date: Sat, 6 Jun 2026 00:33:55 +0200 Message-ID: <9175f776404a1f4536e0320495c446e80a281172.1780698373.git.yoann.congal@smile.fr> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: 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 ; Fri, 05 Jun 2026 22:34:25 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/238197 From: Hitendra Prajapati Pick patch from [1] & [2] also mentioned at Debian report in [3] & [4] [1] https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58 [2] https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b [3] https://nvd.nist.gov/vuln/detail/CVE-2026-40385 [4] https://nvd.nist.gov/vuln/detail/CVE-2026-40386 Signed-off-by: Hitendra Prajapati Signed-off-by: Yoann Congal --- .../libexif/libexif/CVE-2026-40385.patch | 35 ++++++++++++++ .../libexif/libexif/CVE-2026-40386.patch | 46 +++++++++++++++++++ .../recipes-support/libexif/libexif_0.6.24.bb | 2 + 3 files changed, 83 insertions(+) create mode 100644 meta/recipes-support/libexif/libexif/CVE-2026-40385.patch create mode 100644 meta/recipes-support/libexif/libexif/CVE-2026-40386.patch diff --git a/meta/recipes-support/libexif/libexif/CVE-2026-40385.patch b/meta/recipes-support/libexif/libexif/CVE-2026-40385.patch new file mode 100644 index 00000000000..75f7fea6e4f --- /dev/null +++ b/meta/recipes-support/libexif/libexif/CVE-2026-40385.patch @@ -0,0 +1,35 @@ +From 93003b93e50b3d259bd2227d8775b73a53c35d58 Mon Sep 17 00:00:00 2001 +From: Marcus Meissner +Date: Fri, 3 Apr 2026 11:18:47 +0200 +Subject: [PATCH] Avoid overflow on 32bit system when reading Nikon MakerNotes + +The addition o2 = datao + exif_get_long(buf + o2, n->order) +could have overflowed on systems with 32bit unsigned int size_t. + +This could have caused out of bound reads of data, leading to +misparsing of exif / crashes. + +Reported-By: Kerwin + +CVE: CVE-2026-40385 +Upstream-Status: Backport from [https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58] +Signed-off-by: Hitendra Prajapati +--- + libexif/olympus/exif-mnote-data-olympus.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/libexif/olympus/exif-mnote-data-olympus.c b/libexif/olympus/exif-mnote-data-olympus.c +index 3dbe1d3..a5ed7ad 100644 +--- a/libexif/olympus/exif-mnote-data-olympus.c ++++ b/libexif/olympus/exif-mnote-data-olympus.c +@@ -382,6 +382,7 @@ exif_mnote_data_olympus_load (ExifMnoteData *en, + o2 += 2; + + /* Go to where the number of entries is. */ ++ if (CHECKOVERFLOW(o2,buf_size,exif_get_long (buf + o2, n->order))) return; + o2 = datao + exif_get_long (buf + o2, n->order); + break; + +-- +2.50.1 + diff --git a/meta/recipes-support/libexif/libexif/CVE-2026-40386.patch b/meta/recipes-support/libexif/libexif/CVE-2026-40386.patch new file mode 100644 index 00000000000..3792aa02a6e --- /dev/null +++ b/meta/recipes-support/libexif/libexif/CVE-2026-40386.patch @@ -0,0 +1,46 @@ +From dc6eac6e9655d14d0779d99e82d0f5f442d2f34b Mon Sep 17 00:00:00 2001 +From: Marcus Meissner +Date: Thu, 2 Apr 2026 13:26:31 +0200 +Subject: [PATCH] fixed 2 unsigned integer underflows + +this could cause crashes or data leaks. + +Reported-by: Kerwin + +CVE: CVE-2026-40386 +Upstream-Status: Backport from [https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b] +Signed-off-by: Hitendra Prajapati +--- + libexif/fuji/exif-mnote-data-fuji.c | 2 +- + libexif/olympus/exif-mnote-data-olympus.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/libexif/fuji/exif-mnote-data-fuji.c b/libexif/fuji/exif-mnote-data-fuji.c +index e3af4e1..3f295d3 100644 +--- a/libexif/fuji/exif-mnote-data-fuji.c ++++ b/libexif/fuji/exif-mnote-data-fuji.c +@@ -68,7 +68,7 @@ exif_mnote_data_fuji_get_value (ExifMnoteData *d, unsigned int i, char *val, uns + ExifMnoteDataFuji *n = (ExifMnoteDataFuji *) d; + + if (!d || !val) return NULL; +- if (i > n->count -1) return NULL; ++ if (i >= n->count) return NULL; + /* + exif_log (d->log, EXIF_LOG_CODE_DEBUG, "ExifMnoteDataFuji", + "Querying value for tag '%s'...", +diff --git a/libexif/olympus/exif-mnote-data-olympus.c b/libexif/olympus/exif-mnote-data-olympus.c +index a5ed7ad..bdeb5a9 100644 +--- a/libexif/olympus/exif-mnote-data-olympus.c ++++ b/libexif/olympus/exif-mnote-data-olympus.c +@@ -76,7 +76,7 @@ exif_mnote_data_olympus_get_value (ExifMnoteData *d, unsigned int i, char *val, + ExifMnoteDataOlympus *n = (ExifMnoteDataOlympus *) d; + + if (!d || !val) return NULL; +- if (i > n->count -1) return NULL; ++ if (i >= n->count) return NULL; + /* + exif_log (d->log, EXIF_LOG_CODE_DEBUG, "ExifMnoteDataOlympus", + "Querying value for tag '%s'...", +-- +2.50.1 + diff --git a/meta/recipes-support/libexif/libexif_0.6.24.bb b/meta/recipes-support/libexif/libexif_0.6.24.bb index b3ee15a37f9..8418b72c522 100644 --- a/meta/recipes-support/libexif/libexif_0.6.24.bb +++ b/meta/recipes-support/libexif/libexif_0.6.24.bb @@ -11,6 +11,8 @@ SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/libexif-${PV}.tar.bz2 \ file://0001-Add-serial-tests-config-needed-by-ptest.patch \ file://run-ptest \ file://CVE-2026-32775.patch \ + file://CVE-2026-40385.patch \ + file://CVE-2026-40386.patch \ " SRC_URI[sha256sum] = "d47564c433b733d83b6704c70477e0a4067811d184ec565258ac563d8223f6ae"