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ffmpeg: fix CVE-2024-36618

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FFmpeg n6.1.1 has a vulnerability in the AVI demuxer of the libavformat library
which allows for an integer overflow, potentially resulting in a denial-of-service
(DoS) condition.

(From OE-Core rev: 21230d5dfe908533958712e06316a253e16b9d2e)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Archana Polampalli
2025-02-07 15:41:10 +00:00
committed by Steve Sakoman
parent 25d16d3a0c
commit c4593e71a8
2 changed files with 37 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2024-36618.patch Normal file
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@@ -0,0 +1,36 @@
From 7a089ed8e049e3bfcb22de1250b86f2106060857 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Tue, 12 Mar 2024 23:23:17 +0100
Subject: [PATCH] avformat/avidec: Fix integer overflow iff ULONG_MAX <
INT64_MAX
Affects many FATE-tests, see
https://fate.ffmpeg.org/report.cgi?time=20240312011016&slot=ppc-linux-gcc-13.2-ubsan-altivec-qemu
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
CVE: CVE-2024-36618
Upstream-Status: Backport [https://github.com/ffmpeg/ffmpeg/commit/7a089ed8e049e3bfcb22de1250b86f2106060857]
Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
libavformat/avidec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 00bd7a9..bc95466 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1696,7 +1696,7 @@ static int check_stream_max_drift(AVFormatContext *s)
int *idx = av_calloc(s->nb_streams, sizeof(*idx));
if (!idx)
return AVERROR(ENOMEM);
- for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1LU) {
+ for (min_pos = pos = 0; min_pos != INT64_MAX; pos = min_pos + 1ULL) {
int64_t max_dts = INT64_MIN / 2;
int64_t min_dts = INT64_MAX / 2;
int64_t max_buffer = 0;
--
2.40.0

1
meta/recipes-multimedia/ffmpeg/ffmpeg_6.1.1.bb
View File

@@ -44,6 +44,7 @@ SRC_URI = " \
file://CVE-2024-36613.patch \
file://CVE-2024-36616.patch \
file://CVE-2024-36617.patch \
file://CVE-2024-36618.patch \
"
SRC_URI[sha256sum] = "8684f4b00f94b85461884c3719382f1261f0d9eb3d59640a1f4ac0873616f968"