diff mbox series

[scarthgap,05/12] ffmpeg: fix CVE-2024-32230

Message ID b78fd9322b80734ec54440a01a36323a9b1b83f1.1724938187.git.steve@sakoman.com
State Accepted
Delegated to: Steve Sakoman
Headers show
Series [scarthgap,01/12] qemu: fix CVE-2024-4467 | expand

Commit Message

Steve Sakoman Aug. 29, 2024, 1:32 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        | 36 +++++++++++++++++++
 .../recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb |  1 +
 2 files changed, 37 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..0f30c9ecf5
--- /dev/null
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-32230.patch
@@ -0,0 +1,36 @@ 
+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 e460ca4..fb4aaa2 100644
+--- a/libavcodec/mpegvideo_enc.c
++++ b/libavcodec/mpegvideo_enc.c
+@@ -1198,8 +1198,8 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
+                 int dst_stride = i ? s->uvlinesize : s->linesize;
+                 int h_shift = i ? s->chroma_x_shift : 0;
+                 int v_shift = i ? s->chroma_y_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);
+                 const 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_6.1.1.bb b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
index 9b74d78fb1..13051f4e36 100644
--- a/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
+++ b/meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
@@ -31,6 +31,7 @@  SRC_URI = " \
     file://CVE-2024-31578.patch \
     file://CVE-2024-31582.patch \
     file://CVE-2023-50008.patch \
+    file://CVE-2024-32230.patch \
 "
 
 SRC_URI[sha256sum] = "8684f4b00f94b85461884c3719382f1261f0d9eb3d59640a1f4ac0873616f968"