diff options
Diffstat (limited to 'poky/meta/recipes-support/lz4/files/CVE-2021-3520.patch')
-rw-r--r-- | poky/meta/recipes-support/lz4/files/CVE-2021-3520.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/poky/meta/recipes-support/lz4/files/CVE-2021-3520.patch b/poky/meta/recipes-support/lz4/files/CVE-2021-3520.patch new file mode 100644 index 000000000..5ac8f6691 --- /dev/null +++ b/poky/meta/recipes-support/lz4/files/CVE-2021-3520.patch @@ -0,0 +1,27 @@ +From 8301a21773ef61656225e264f4f06ae14462bca7 Mon Sep 17 00:00:00 2001 +From: Jasper Lievisse Adriaanse <j@jasper.la> +Date: Fri, 26 Feb 2021 15:21:20 +0100 +Subject: [PATCH] Fix potential memory corruption with negative memmove() size + +Upstream-Status: Backport +https://github.com/lz4/lz4/commit/8301a21773ef61656225e264f4f06ae14462bca7#diff-7055e9cf14c488aea9837aaf9f528b58ee3c22988d7d0d81d172ec62d94a88a7 +CVE: CVE-2021-3520 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + lib/lz4.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +Index: git/lib/lz4.c +=================================================================== +--- git.orig/lib/lz4.c ++++ git/lib/lz4.c +@@ -1665,7 +1665,7 @@ LZ4_decompress_generic( + const size_t dictSize /* note : = 0 if noDict */ + ) + { +- if (src == NULL) { return -1; } ++ if ((src == NULL) || (outputSize < 0)) { return -1; } + + { const BYTE* ip = (const BYTE*) src; + const BYTE* const iend = ip + srcSize; |