From patchwork Sat Jan 24 20:53:23 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Marko X-Patchwork-Id: 79577 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 1CDB3D715F6 for ; Sat, 24 Jan 2026 20:53:38 +0000 (UTC) Received: from mta-65-225.siemens.flowmailer.net (mta-65-225.siemens.flowmailer.net [185.136.65.225]) by mx.groups.io with SMTP id smtpd.msgproc02-g2.27064.1769288011649113033 for ; Sat, 24 Jan 2026 12:53:33 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=peter.marko@siemens.com header.s=fm1 header.b=R2O2J+WG; spf=pass (domain: rts-flowmailer.siemens.com, ip: 185.136.65.225, mailfrom: fm-256628-20260124205328d4eb799bce0002070f-m5sx9x@rts-flowmailer.siemens.com) Received: by mta-65-225.siemens.flowmailer.net with ESMTPSA id 20260124205328d4eb799bce0002070f for ; Sat, 24 Jan 2026 21:53:28 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=peter.marko@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc; bh=x1nZ/0euJIyZM9kZPSKOSf52Us/zRFX4dp44yPizUcE=; b=R2O2J+WG4CwonqK76vxON5rM6hoU3hKmyXPWEM2UGBp/RZkm9IH0r/XTtSDMN1/HPPZoWc 4sE5i2AyqTWY5J7EQBiMe3UWjE6BTxX6E2MyLliCPLtHpDp7VgPBeQMv5szQ32EMvDf/pcU5 ExfO/Ew388V9NqLTj2YpDH0nMjX7iJdMSgBM3rgKv5tfqzMvYR65GRCBS0Pho8zvBoYLwf0w ZM3Lgu+xQumjhTtbf33JvntYQop4Dg8ZZpBH3hY+QRNyRdVhd3fUrzd7d2Sqa0Q7rToNKann wSytu0Hg0vMnSI87iglBJd9uFxV4prU/BC06xP2KKPnWFGIJ5JVqnyYA==; From: Peter Marko To: openembedded-core@lists.openembedded.org Cc: Peter Marko Subject: [OE-core][PATCH] glib-2.0: patch CVE-2026-0988 Date: Sat, 24 Jan 2026 21:53:23 +0100 Message-Id: <20260124205323.2050674-1-peter.marko@siemens.com> MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-256628:519-21489:flowmailer 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 ; Sat, 24 Jan 2026 20:53:38 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/229924 From: Peter Marko Pick relevant commit from [2] linked from [1]. [1] https://gitlab.gnome.org/GNOME/glib/-/issues/3851 [2] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4944 Signed-off-by: Peter Marko --- .../glib-2.0/files/CVE-2026-0988.patch | 58 +++++++++++++++++++ meta/recipes-core/glib-2.0/glib.inc | 1 + 2 files changed, 59 insertions(+) create mode 100644 meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch diff --git a/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch b/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch new file mode 100644 index 0000000000..daf86224d5 --- /dev/null +++ b/meta/recipes-core/glib-2.0/files/CVE-2026-0988.patch @@ -0,0 +1,58 @@ +From c5766cff61ffce0b8e787eae09908ac348338e5f Mon Sep 17 00:00:00 2001 +From: Philip Withnall +Date: Thu, 18 Dec 2025 23:12:18 +0000 +Subject: [PATCH] gbufferedinputstream: Fix a potential integer overflow in + peek() + +If the caller provides `offset` and `count` arguments which overflow, +their sum will overflow and could lead to `memcpy()` reading out more +memory than expected. + +Spotted by Codean Labs. + +Signed-off-by: Philip Withnall + +Fixes: #3851 + +CVE: CVE-2026-0988 +Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/glib/-/commit/c5766cff61ffce0b8e787eae09908ac348338e5f] +Signed-off-by: Peter Marko +--- + gio/gbufferedinputstream.c | 2 +- + gio/tests/buffered-input-stream.c | 10 ++++++++++ + 2 files changed, 11 insertions(+), 1 deletion(-) + +diff --git a/gio/gbufferedinputstream.c b/gio/gbufferedinputstream.c +index 9e6bacc62..56d656be0 100644 +--- a/gio/gbufferedinputstream.c ++++ b/gio/gbufferedinputstream.c +@@ -590,7 +590,7 @@ g_buffered_input_stream_peek (GBufferedInputStream *stream, + + available = g_buffered_input_stream_get_available (stream); + +- if (offset > available) ++ if (offset > available || offset > G_MAXSIZE - count) + return 0; + + end = MIN (offset + count, available); +diff --git a/gio/tests/buffered-input-stream.c b/gio/tests/buffered-input-stream.c +index a1af4eeff..2b2a0d9aa 100644 +--- a/gio/tests/buffered-input-stream.c ++++ b/gio/tests/buffered-input-stream.c +@@ -60,6 +60,16 @@ test_peek (void) + g_assert_cmpint (npeek, ==, 0); + g_free (buffer); + ++ buffer = g_new0 (char, 64); ++ npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 8, 0); ++ g_assert_cmpint (npeek, ==, 0); ++ g_free (buffer); ++ ++ buffer = g_new0 (char, 64); ++ npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 5, G_MAXSIZE); ++ g_assert_cmpint (npeek, ==, 0); ++ g_free (buffer); ++ + g_object_unref (in); + g_object_unref (base); + } diff --git a/meta/recipes-core/glib-2.0/glib.inc b/meta/recipes-core/glib-2.0/glib.inc index bd87d9c601..2e15cc7675 100644 --- a/meta/recipes-core/glib-2.0/glib.inc +++ b/meta/recipes-core/glib-2.0/glib.inc @@ -231,6 +231,7 @@ SRC_URI += "\ file://0001-gio-tests-resources.c-comment-out-a-build-host-only-.patch \ file://0010-Do-not-hardcode-python-path-into-various-tools.patch \ file://skip-timeout.patch \ + file://CVE-2026-0988.patch \ " SRC_URI:append:class-native = " file://relocate-modules.patch \ file://0001-meson.build-do-not-enable-pidfd-features-on-native-g.patch \