diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2021-46174.patch')
-rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2021-46174.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2021-46174.patch b/meta/recipes-devtools/binutils/binutils/CVE-2021-46174.patch new file mode 100644 index 0000000000..2addf5139e --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2021-46174.patch @@ -0,0 +1,35 @@ +From 46322722ad40ac1a75672ae0f62f4969195f1368 Mon Sep 17 00:00:00 2001 +From: Alan Modra <amodra@gmail.com> +Date: Thu, 20 Jan 2022 13:58:38 +1030 +Subject: [PATCH] PR28753, buffer overflow in read_section_stabs_debugging_info + + PR 28753 + * rddbg.c (read_section_stabs_debugging_info): Don't read past + end of section when concatentating stab strings. + +CVE: CVE-2021-46174 +Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cad4d6b91e97] + +(cherry picked from commit 085b299b71721e15f5c5c5344dc3e4e4536dadba) +(cherry picked from commit cad4d6b91e97b6962807d33c04ed7e7797788438) +Signed-off-by: poojitha adireddy <pooadire@cisco.com> +--- + binutils/rddbg.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/binutils/rddbg.c b/binutils/rddbg.c +index 72e934055b5..5e76d94a3c4 100644 +--- a/binutils/rddbg.c ++++ b/binutils/rddbg.c +@@ -207,7 +207,7 @@ read_section_stabs_debugging_info (bfd *abfd, asymbol **syms, long symcount, + an attempt to read the byte before 'strings' would occur. */ + while ((len = strlen (s)) > 0 + && s[len - 1] == '\\' +- && stab + 12 < stabs + stabsize) ++ && stab + 16 <= stabs + stabsize) + { + char *p; + +-- +2.23.1 + |