From c7fbe91c2a2db78dd7ba44021ef972ec20da8b3a Mon Sep 17 00:00:00 2001 From: Vivek Kumbhar Date: Thu, 14 Dec 2023 16:55:42 +0530 Subject: libsndfile: fix CVE-2021-4156 heap out-of-bounds read in src/flac.c in flac_buffer_copy Upstream-Status: Backport from https://github.com/libsndfile/libsndfile/commit/ced91d7b971be6173b604154c39279ce90ad87cc (From OE-Core rev: d922a288f79834d8f1120a4454b97803290e5c36) Signed-off-by: Vivek Kumbhar Signed-off-by: Steve Sakoman --- .../libsndfile/libsndfile1/CVE-2021-4156.patch | 30 ++++++++++++++++++++++ .../libsndfile/libsndfile1_1.0.28.bb | 1 + 2 files changed, 31 insertions(+) create mode 100644 meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch (limited to 'meta/recipes-multimedia') 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..f7ae82588f --- /dev/null +++ b/meta/recipes-multimedia/libsndfile/libsndfile1/CVE-2021-4156.patch @@ -0,0 +1,30 @@ +From ced91d7b971be6173b604154c39279ce90ad87cc Mon Sep 17 00:00:00 2001 +From: yuan +Date: Tue, 20 Apr 2021 16:16:32 +0800 +Subject: [PATCH] flac: Fix improper buffer reusing (#732) + +Upstream-Status: Backport [https://github.com/libsndfile/libsndfile/commit/ced91d7b971be6173b604154c39279ce90ad87cc] +CVE: CVE-2021-4156 +Signed-off-by: Vivek Kumbhar +--- + src/flac.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/src/flac.c b/src/flac.c +index 0be82ac..4fa5cfa 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]) ; +-- +2.40.1 diff --git a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb index 32b678ce90..fb7d94ab75 100644 --- a/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb +++ b/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.28.bb @@ -23,6 +23,7 @@ SRC_URI = "http://www.mega-nerd.com/libsndfile/files/libsndfile-${PV}.tar.gz \ file://CVE-2021-3246_1.patch \ file://CVE-2021-3246_2.patch \ file://CVE-2022-33065.patch \ + file://CVE-2021-4156.patch \ " SRC_URI[md5sum] = "646b5f98ce89ac60cdb060fcd398247c" -- cgit v1.2.3-54-g00ecf