From 75544817343920418b670e2b1579a09a557f88bf Mon Sep 17 00:00:00 2001 From: Thomas Perale Date: Tue, 24 Feb 2026 21:36:15 +0100 Subject: [PATCH] package/fluidsynth: add patch for CVE-2025-56225 Fixes the following vulnerability: - CVE-2025-56225: fluidsynth-2.4.6 and earlier versions is vulnerable to Null pointer dereference in fluid_synth_monopoly.c, that can be triggered when loading an invalid midi file. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2025-56225 - https://github.com/FluidSynth/fluidsynth/commit/45f2a79f4265dcc4f98cfbafdb10727fb1c0d411 Signed-off-by: Thomas Perale --- ...inter-dereference-during-legato-mode.patch | 25 +++++++++++++++++++ package/fluidsynth/fluidsynth.mk | 3 +++ 2 files changed, 28 insertions(+) create mode 100644 package/fluidsynth/0001-Fix-a-nullpointer-dereference-during-legato-mode.patch diff --git a/package/fluidsynth/0001-Fix-a-nullpointer-dereference-during-legato-mode.patch b/package/fluidsynth/0001-Fix-a-nullpointer-dereference-during-legato-mode.patch new file mode 100644 index 0000000000..a155164bcf --- /dev/null +++ b/package/fluidsynth/0001-Fix-a-nullpointer-dereference-during-legato-mode.patch @@ -0,0 +1,25 @@ +From 45f2a79f4265dcc4f98cfbafdb10727fb1c0d411 Mon Sep 17 00:00:00 2001 +From: "Tom M." +Date: Mon, 14 Jul 2025 18:13:38 +0200 +Subject: [PATCH] Fix a nullpointer dereference during legato mode (#1607) + +CVE: CVE-2025-56225 +Upstream: https://github.com/FluidSynth/fluidsynth/commit/45f2a79f4265dcc4f98cfbafdb10727fb1c0d411 +Signed-off-by: Thomas Perale +--- + src/synth/fluid_synth_monopoly.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/synth/fluid_synth_monopoly.c b/src/synth/fluid_synth_monopoly.c +index d1de13196..6e6e2a906 100644 +--- a/src/synth/fluid_synth_monopoly.c ++++ b/src/synth/fluid_synth_monopoly.c +@@ -410,7 +410,7 @@ int fluid_synth_noteoff_mono_LOCAL(fluid_synth_t *synth, int chan, int key) + fluid_channel_breath_msb(channel)) + { + /* legato playing detection */ +- if(channel->mode & FLUID_CHANNEL_LEGATO_PLAYING) ++ if (channel->mode & FLUID_CHANNEL_LEGATO_PLAYING && channel->preset != NULL) + { + /* the list contains others notes */ + if(i_prev >= 0) diff --git a/package/fluidsynth/fluidsynth.mk b/package/fluidsynth/fluidsynth.mk index 1c9139aa9f..bde3f416a7 100644 --- a/package/fluidsynth/fluidsynth.mk +++ b/package/fluidsynth/fluidsynth.mk @@ -12,6 +12,9 @@ FLUIDSYNTH_CPE_ID_VENDOR = fluidsynth FLUIDSYNTH_INSTALL_STAGING = YES FLUIDSYNTH_DEPENDENCIES = libglib2 +# 0001-Fix-a-nullpointer-dereference-during-legato-mode.patch +FLUIDSYNTH_IGNORE_CVES += CVE-2025-56225 + ifeq ($(BR2_PACKAGE_FLUIDSYNTH_ALSA_LIB),y) FLUIDSYNTH_CONF_OPTS += -Denable-alsa=1 FLUIDSYNTH_DEPENDENCIES += alsa-lib