fix CVE-2022-47008

(cherry picked from commit ed246ee990c1e8c9fbf453e8909ca4d90f058359)
This commit is contained in:
liningjie 2023-08-23 15:18:04 +08:00 committed by openeuler-sync-bot
parent 37d7387dfc
commit 6b44e54bca
2 changed files with 66 additions and 1 deletions

61
CVE-2022-47008.patch Normal file
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@ -0,0 +1,61 @@
From d6e1d48c83b165c129cb0aa78905f7ca80a1f682 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Fri, 17 Jun 2022 09:13:38 +0930
Subject: [PATCH] PR29255, memory leak in make_tempdir
PR 29255
* bucomm.c (make_tempdir, make_tempname): Free template on all
failure paths.
---
binutils/bucomm.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/binutils/bucomm.c b/binutils/bucomm.c
index fdc2209df9c..4395cb9f7f5 100644
--- a/binutils/bucomm.c
+++ b/binutils/bucomm.c
@@ -537,8 +537,9 @@ make_tempname (const char *filename, int *ofd)
#else
tmpname = mktemp (tmpname);
if (tmpname == NULL)
- return NULL;
- fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
+ fd = -1;
+ else
+ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600);
#endif
if (fd == -1)
{
@@ -556,22 +557,23 @@ char *
make_tempdir (const char *filename)
{
char *tmpname = template_in_dir (filename);
+ char *ret;
#ifdef HAVE_MKDTEMP
- return mkdtemp (tmpname);
+ ret = mkdtemp (tmpname);
#else
- tmpname = mktemp (tmpname);
- if (tmpname == NULL)
- return NULL;
+ ret = mktemp (tmpname);
#if defined (_WIN32) && !defined (__CYGWIN32__)
if (mkdir (tmpname) != 0)
- return NULL;
+ ret = NULL;
#else
if (mkdir (tmpname, 0700) != 0)
- return NULL;
+ ret = NULL;
#endif
- return tmpname;
#endif
+ if (ret == NULL)
+ free (tmpname);
+ return ret;
}
/* Parse a string into a VMA, with a fatal error if it can't be
--
2.39.3

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@ -1,7 +1,7 @@
Summary: Binary utilities
Name: binutils
Version: 2.37
Release: 15
Release: 16
License: GPLv3+
URL: https://sourceware.org/binutils
@ -73,6 +73,7 @@ Patch47: backport-PR28186-SEGV-elf.c-7991-30-in-_bfd_elf_fixup_group_sections.pa
Patch48: backport-PR28422-build_id-use-after-free.patch
Patch49: backport-PR28540-segmentation-fault-on-NULL-byte_get.patch
Patch50: Fix-gold-relocation-offset-and-adrp-signed-shife.patch
Patch51: CVE-2022-47008.patch
Provides: bundled(libiberty)
@ -396,6 +397,9 @@ fi
%{_infodir}/bfd*info*
%changelog
* Wed Aug 23 2023 liningjie <liningjie@xfusion.com> - 2.37-16
- fix CVE-2022-47008
* Thu Apr 20 2023 dingguangya <dingguangya1@huawei.com> - 2.37-15
- Type:bugfix
- ID:NA