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[scarthgap,15/16] ffmpeg: fix CVE-2025-0518

Message ID 75ad6e004de95ff6208820ccf2c0af01d9363749.1741206348.git.steve@sakoman.com
State Accepted
Delegated to: Steve Sakoman
Headers show
Series [scarthgap,01/16] openssh: Fix CVE-2025-26466 | expand

Commit Message

Steve Sakoman March 5, 2025, 10:11 p.m. UTC 
From: Archana Polampalli <archana.polampalli@windriver.com>

Unchecked Return Value, Out-of-bounds Read vulnerability in FFmpeg allows
Read Sensitive Constants Within an Executable. This vulnerability is associated
with program files https://github.Com/FFmpeg/FFmpeg/blob/master/libavfilter/af_pan.C
This issue affects FFmpeg: 7.1.
Issue was fixed:  https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a
https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a
This issue was discovered by: Simcha Kosma

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 .../ffmpeg/ffmpeg/CVE-2025-0518.patch         | 34 +++++++++++++++++++
 .../recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb |  1 +
 2 files changed, 35 insertions(+)
 create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
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Patch

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
new file mode 100644
index 0000000000..d3e02bebe6
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2025-0518.patch
@@ -0,0 +1,34 @@ 
+From b5b6391d64807578ab872dc58fb8aa621dcfc38a Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Mon, 6 Jan 2025 22:01:39 +0100
+Subject: [PATCH] avfilter/af_pan: Fix sscanf() use
+
+Fixes: Memory Data Leak
+
+Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+
+CVE: CVE-2025-0518
+
+Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/b5b6391d64807578ab872dc58fb8aa621dcfc38a]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavfilter/af_pan.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
+index cfed9f1..ffcd214 100644
+--- a/libavfilter/af_pan.c
++++ b/libavfilter/af_pan.c
+@@ -165,7 +165,7 @@ static av_cold int init(AVFilterContext *ctx)
+         sign = 1;
+         while (1) {
+             gain = 1;
+-            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len))
++            if (sscanf(arg, "%lf%n *%n", &gain, &len, &len) >= 1)
+                 arg += len;
+             if (parse_channel_name(&arg, &in_ch_id, &named)){
+                 av_log(ctx, AV_LOG_ERROR,
+--
+2.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
index bd1259d392..06ca65a480 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
@@ -50,6 +50,7 @@  SRC_URI = " \
     file://CVE-2025-25473.patch \
     file://CVE-2025-25471.patch \
     file://CVE-2025-22921.patch \
+    file://CVE-2025-0518.patch \
 "
 
 SRC_URI[sha256sum] = "8684f4b00f94b85461884c3719382f1261f0d9eb3d59640a1f4ac0873616f968"