diff options
Diffstat (limited to 'meta/recipes-devtools/nasm/nasm/0001-BR3392712-pp_tokline-fix-double-free.patch')
-rw-r--r-- | meta/recipes-devtools/nasm/nasm/0001-BR3392712-pp_tokline-fix-double-free.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-devtools/nasm/nasm/0001-BR3392712-pp_tokline-fix-double-free.patch b/meta/recipes-devtools/nasm/nasm/0001-BR3392712-pp_tokline-fix-double-free.patch new file mode 100644 index 0000000000..b2cd3fe24b --- /dev/null +++ b/meta/recipes-devtools/nasm/nasm/0001-BR3392712-pp_tokline-fix-double-free.patch @@ -0,0 +1,36 @@ +From 652c58c92d9e8eaf09a0eb125c4fe2d4b6cc3397 Mon Sep 17 00:00:00 2001 +From: Cyrill Gorcunov <gorcunov@gmail.com> +Date: Tue, 15 Sep 2020 15:50:20 +0800 +Subject: [PATCH] BR3392712: pp_tokline: fix double free + +Make sure the data being freed get double +freed after -- the pointers must be zapped +(actually nasm_free and free_tlist support +being called with NULL pointer as an argument). + +Upstream-Status: Backport [https://github.com/netwide-assembler/nasm/commit/8806c3ca007b84accac21dd88b900fb03614ceb7] +CVE: CVE-2020-24978 + +Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> +Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com> +--- + asm/preproc.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/asm/preproc.c b/asm/preproc.c +index 2737ec1..da2c9c9 100644 +--- a/asm/preproc.c ++++ b/asm/preproc.c +@@ -5119,6 +5119,9 @@ static char *pp_getline(void) + free_tlist(m->iline); + nasm_free(m->paramlen); + l->finishes->in_progress = 0; ++ m->params = NULL; ++ m->iline = NULL; ++ m->paramlen = NULL; + } + } + +-- +2.13.3 + |