diff options
Diffstat (limited to 'poky/meta/recipes-multimedia/ffmpeg/ffmpeg')
-rw-r--r-- | poky/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2021-38171.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2021-38171.patch b/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2021-38171.patch new file mode 100644 index 000000000..d82f3a4b6 --- /dev/null +++ b/poky/meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2021-38171.patch @@ -0,0 +1,42 @@ +CVE: CVE-2021-38171 +Upstream-Status: Backport +Signed-off-by: Kiran Surendran <kiran.surendran@windriver.com> + +From fb993619d1035fa9646506925ea70fb122038999 Mon Sep 17 00:00:00 2001 +From: maryam ebrahimzadeh <me22bee@outlook.com> +Date: Wed, 4 Aug 2021 16:15:18 -0400 +Subject: [PATCH] avformat/adtsenc: return value check for init_get_bits in + adts_decode_extradata + +As the second argument for init_get_bits (buf) can be crafted, a return value check for this function call is necessary. +'buf' is part of 'AVPacket pkt'. +replace init_get_bits with init_get_bits8. + +Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> +(cherry picked from commit 9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6) +Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> +--- + libavformat/adtsenc.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/libavformat/adtsenc.c b/libavformat/adtsenc.c +index 3595cb3bb2..c35a12a628 100644 +--- a/libavformat/adtsenc.c ++++ b/libavformat/adtsenc.c +@@ -51,9 +51,11 @@ static int adts_decode_extradata(AVFormatContext *s, ADTSContext *adts, const ui + GetBitContext gb; + PutBitContext pb; + MPEG4AudioConfig m4ac; +- int off; ++ int off, ret; + +- init_get_bits(&gb, buf, size * 8); ++ ret = init_get_bits8(&gb, buf, size); ++ if (ret < 0) ++ return ret; + off = avpriv_mpeg4audio_get_config2(&m4ac, buf, size, 1, s); + if (off < 0) + return off; +-- +2.31.1 + |