| From 5830876a0cca17bef3b2d54908928e72cca53502 Mon Sep 17 00:00:00 2001 |
| From: Alan Modra <amodra@gmail.com> |
| Date: Tue, 6 Dec 2022 08:37:52 +1030 |
| Subject: [PATCH] PR29855, ch_type in bfd_init_section_decompress_status can be |
| uninitialized |
| |
| PR 29855 |
| * compress.c (bfd_init_section_decompress_status): Set ch_type |
| to zero for zlib-gnu case. |
| |
| Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5830876a0cca17bef3b2d54908928e72cca53502] |
| |
| CVE: CVE-2023-25586 |
| |
| Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com> |
| --- |
| bfd/compress.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/bfd/compress.c b/bfd/compress.c |
| index 3d8c1d769f1..6b083468ca8 100644 |
| --- a/bfd/compress.c |
| +++ b/bfd/compress.c |
| @@ -1012,7 +1012,7 @@ bfd_init_section_decompress_status (bfd *abfd, sec_ptr sec) |
| return false; |
| } |
| uncompressed_size = bfd_getb64 (header + 4); |
| - ch_type = ch_none; |
| + ch_type = 0; |
| } |
| else if (!bfd_check_compression_header (abfd, header, sec, |
| &ch_type, |
| -- |
| 2.31.1 |