diff mbox series

[kirkstone,05/19] ffmpeg: fix CVE-2024-32230

Message ID 6eb7dc3eecbbe115f95864d587fb3d5557321973.1732310669.git.steve@sakoman.com
State New
Headers show
Series [kirkstone,01/19] ghostscript: Backport fix for multiple CVE's | expand

Commit Message

Steve Sakoman Nov. 22, 2024, 9:26 p.m. UTC 
From: Archana Polampalli <archana.polampalli@windriver.com>

FFmpeg 7.0 is vulnerable to Buffer Overflow. There is a negative-size-param
bug at libavcodec/mpegvideo_enc.c:1216:21 in load_input_picture in FFmpeg7.0

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 .../ffmpeg/ffmpeg/CVE-2024-32230.patch        | 35 +++++++++++++++++++
 .../recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-32230.patch
diff mbox series

Patch

diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-32230.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-32230.patch
new file mode 100644
index 0000000000..0617b9b123
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-32230.patch
@@ -0,0 +1,35 @@ 
+From 96449cfeaeb95fcfd7a2b8d9ccf7719e97471ed1 Mon Sep 17 00:00:00 2001
+From: Michael Niedermayer <michael@niedermayer.cc>
+Date: Mon, 8 Apr 2024 18:38:42 +0200
+Subject: [PATCH] avcodec/mpegvideo_enc: Fix 1 line and one column images
+
+Fixes: Ticket10952
+Fixes: poc21ffmpeg
+Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
+
+CVE: CVE-2024-32230
+
+Upstream-Status: Backport [https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=96449cfeaeb95fcfd7a2b8d9ccf7719e97471ed1]
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ libavcodec/mpegvideo_enc.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
+index 128d1a3..3bd84cd 100644
+--- a/libavcodec/mpegvideo_enc.c
++++ b/libavcodec/mpegvideo_enc.c
+@@ -1130,8 +1130,8 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
+                     int dst_stride = i ? s->uvlinesize : s->linesize;
+                     int h_shift = i ? h_chroma_shift : 0;
+                     int v_shift = i ? v_chroma_shift : 0;
+-                    int w = s->width  >> h_shift;
+-                    int h = s->height >> v_shift;
++                    int w = AV_CEIL_RSHIFT(s->width , h_shift);
++                    int h = AV_CEIL_RSHIFT(s->height, v_shift);
+                     uint8_t *src = pic_arg->data[i];
+                     uint8_t *dst = pic->f->data[i];
+                     int vpad = 16;
+--
+2.40.0
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
index 1295d5cdf1..40963d1254 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_5.0.1.bb
@@ -29,6 +29,7 @@  SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
            file://0001-avcodec-vp3-Add-missing-check-for-av_malloc.patch \
            file://0001-avformat-nutdec-Add-check-for-avformat_new_stream.patch \
            file://CVE-2022-48434.patch \
+           file://CVE-2024-32230.patch \
           "
 
 SRC_URI[sha256sum] = "ef2efae259ce80a240de48ec85ecb062cecca26e4352ffb3fda562c21a93007b"