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ffmpeg: fix CVE-2020-22033 and CVE-2020-22019

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avfilter/vf_vmafmotion: Check dimensions

Fixes: out of array access
Fixes: Ticket8241
Fixes: Ticket8246
Fixes: CVE-2020-22019
Fixes: CVE-2020-22033

(From OE-Core rev: 451a945efb21221cfeeb4e641c5aa8bf4ae18c89)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

CVE: CVE-2020-22033
CVE: CVE-2020-22019
Upstream-Status: Backport [82ad1b76751bcfad5005440db48c46a4de5d6f02]

Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Tony Tascioglu
2021-07-27 16:20:46 -07:00
committed by Richard Purdie
parent 01d224ae48
commit d6044c86b0
2 changed files with 41 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
meta/recipes-multimedia/ffmpeg/ffmpeg/fix-CVE-2020-22033-CVE-2020-22019.patch Normal file
View File

@@ -0,0 +1,40 @@
From 82ad1b76751bcfad5005440db48c46a4de5d6f02 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sat, 29 May 2021 09:58:31 +0200
Subject: [PATCH] avfilter/vf_vmafmotion: Check dimensions
Fixes: out of array access
Fixes: Ticket8241
Fixes: Ticket8246
Fixes: CVE-2020-22019
Fixes: CVE-2020-22033
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
CVE: CVE-2020-22033
CVE: CVE-2020-22019
Upstream-Status: Backport [82ad1b76751bcfad5005440db48c46a4de5d6f02]
Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com>
---
libavfilter/vf_vmafmotion.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/vf_vmafmotion.c b/libavfilter/vf_vmafmotion.c
index 2db4783d8d..454ebb8afa 100644
--- a/libavfilter/vf_vmafmotion.c
+++ b/libavfilter/vf_vmafmotion.c
@@ -238,6 +238,9 @@ int ff_vmafmotion_init(VMAFMotionData *s,
int i;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
+ if (w < 3 || h < 3)
+ return AVERROR(EINVAL);
+
s->width = w;
s->height = h;
s->stride = FFALIGN(w * sizeof(uint16_t), 32);
--
2.32.0

1
meta/recipes-multimedia/ffmpeg/ffmpeg_4.4.bb
View File

@@ -29,6 +29,7 @@ SRC_URI = "https://www.ffmpeg.org/releases/${BP}.tar.xz \
file://fix-CVE-2020-20453.patch \
file://fix-CVE-2020-22015.patch \
file://fix-CVE-2020-22021.patch \
file://fix-CVE-2020-22033-CVE-2020-22019.patch \
"
SRC_URI[sha256sum] = "06b10a183ce5371f915c6bb15b7b1fffbe046e8275099c96affc29e17645d909"