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fluidsynth: patch CVE-2025-56225

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Details: https://nvd.nist.gov/vuln/detail/CVE-2025-56225

Pick the PR content referenced by the NVD advisory.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Gyorgy Sarvari 2026-01-19 19:43:43 +01:00
parent f1cfd1ec5d
commit 680570c8b6
2 changed files with 28 additions and 1 deletions
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4
meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth.inc
View File

@ -4,7 +4,9 @@ SECTION = "libs/multimedia"
LICENSE = "LGPL-2.1-only" LICENSE = "LGPL-2.1-only"
LIC_FILES_CHKSUM = "file://LICENSE;md5=fc178bcd425090939a8b634d1d6a9594" LIC_FILES_CHKSUM = "file://LICENSE;md5=fc178bcd425090939a8b634d1d6a9594"
SRC_URI = "git://github.com/FluidSynth/fluidsynth.git;branch=master;protocol=https" SRC_URI = "git://github.com/FluidSynth/fluidsynth.git;branch=master;protocol=https \
file://CVE-2025-56225.patch \
"
SRCREV = "8b00644751578ba67b709a827cbe5133d849d339" SRCREV = "8b00644751578ba67b709a827cbe5133d849d339"
S = "${WORKDIR}/git" S = "${WORKDIR}/git"
PV = "2.2.6" PV = "2.2.6"

25
meta-multimedia/recipes-multimedia/fluidsynth/fluidsynth/CVE-2025-56225.patch Normal file
View File

@ -0,0 +1,25 @@
From 18ab31c1dad215188edf2bedc78be98a32492ec9 Mon Sep 17 00:00:00 2001
From: "Tom M." <tom.mbrt@googlemail.com>
Date: Mon, 14 Jul 2025 18:13:38 +0200
Subject: [PATCH] Fix a nullpointer dereference during legato mode (#1607)
CVE: CVE-2025-56225
Upstream-Status: Backport [https://github.com/FluidSynth/fluidsynth/commit/45f2a79f4265dcc4f98cfbafdb10727fb1c0d411]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
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 d1de1319..6e6e2a90 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)