From 2fdcd47d340652b31401f25ddd91fcfa261eb374 Mon Sep 17 00:00:00 2001 From: Changqing Li Date: Thu, 13 Jan 2022 17:00:52 +0800 Subject: libsndfile1: fix CVE-2021-4156 (From OE-Core rev: 64d9f9ab59a00bed946bd89896263ff74f3af0e5) Signed-off-by: Changqing Li Signed-off-by: Anuj Mittal Signed-off-by: Richard Purdie --- .../libsndfile/libsndfile1/CVE-2021-4156.patch | 32 ++++++++++++++++++++++ .../libsndfile/libsndfile1_1.0.28.bb | 1 + 2 files changed, 33 insertions(+) create mode 100644 meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch new file mode 100644 index 0000000000..b0ff1a0885 --- /dev/null +++ b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch @@ -0,0 +1,32 @@ +From 5adbc377cd90aa40f0cd56ae325ca70065a8aa19 Mon Sep 17 00:00:00 2001 +From: Changqing Li +Date: Thu, 13 Jan 2022 16:45:59 +0800 +Subject: [PATCH] flac: Fix improper buffer reusing + +CVE: CVE-2021-4156.patch +Upstream-Status: Backport [https://github.com/libsndfile/libsndfile/issues/731] + +Signed-off-by: Changqing Li +--- + src/flac.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/src/flac.c b/src/flac.c +index 0be82ac..6548bba 100644 +--- a/src/flac.c ++++ b/src/flac.c +@@ -952,7 +952,11 @@ flac_read_loop (SF_PRIVATE *psf, unsigned len) + /* Decode some more. */ + while (pflac->pos < pflac->len) + { if (FLAC__stream_decoder_process_single (pflac->fsd) == 0) ++ { psf_log_printf (psf, "FLAC__stream_decoder_process_single returned false\n") ; ++ /* Current frame is busted, so NULL the pointer. */ ++ pflac->frame = NULL ; + break ; ++ } + state = FLAC__stream_decoder_get_state (pflac->fsd) ; + if (state >= FLAC__STREAM_DECODER_END_OF_STREAM) + { psf_log_printf (psf, "FLAC__stream_decoder_get_state returned %s\n", FLAC__StreamDecoderStateString [state]) ; +-- +2.17.1 + diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb index 044881a859..8eb007884e 100644 --- a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb +++ b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb @@ -20,6 +20,7 @@ SRC_URI = "http://www.mega-nerd.com/libsndfile/files/libsndfile-${PV}.tar.gz \ file://CVE-2017-12562.patch \ file://CVE-2018-19758.patch \ file://CVE-2019-3832.patch \ + file://CVE-2021-4156.patch \ " SRC_URI[md5sum] = "646b5f98ce89ac60cdb060fcd398247c" -- cgit v1.2.3-54-g00ecf