binutils: Fix CVE-2025-1180

Upstream-Status: Submitted [https://sourceware.org/pipermail/binutils/2025-May/141351.html]
CVE: CVE-2025-1180

cherry picked from upstream commit:
https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=f9978defb6fab0bd8583942d97c112b0932ac814

(From OE-Core rev: f2681cfb09f1079543dd58cf788f67d65d26e21d)

Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/binutils/binutils-2.44.inc

@@ -36,5 +36,6 @@ SRC_URI = "\
      file://0013-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch \
      file://0014-Remove-duplicate-pe-dll.o-entry-deom-targ_extra_ofil.patch \
      file://0015-CVE-2025-1178.patch \
+     file://CVE-2025-1180.patch \
 "
 S  = "${WORKDIR}/git"

meta/recipes-devtools/binutils/binutils/CVE-2025-1180.patch

@@ -0,0 +1,165 @@
+From 509c5afcd71afd36cd6496f8c84733b11bd5e9e5 Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Thu, 22 May 2025 01:56:17 -0700
+Subject: [PATCH] Backport fix for PR 32642(CVE-2025-1180)
+
+Backporting the fix from PR 32636 to fix PR 32642 (ld SEGV (illegal read access)
+in _bfd_elf_write_section_eh_frame (bfd/elf-eh-frame.c:2234:29) with
+ --gc-sections --gc-keep-exported option)
+
+https://nvd.nist.gov/vuln/detail/CVE-2025-1180 is associated with
+PR32642 which will get fixed with commit from PR 32636.
+
+(cherry picked from commit: f9978defb6fab0bd8583942d97c112b0932ac814)
+Upstream-Status: Submitted [https://sourceware.org/pipermail/binutils/2025-May/141351.html]
+CVE: CVE-2025-1180
+
+Signed-off-by: Harish Sadineni <Harish.Sadineni@windriver.com>
+---
+ bfd/elflink.c | 88 +++++++++++++++++++++++++--------------------------
+ 1 file changed, 44 insertions(+), 44 deletions(-)
+
+diff --git a/bfd/elflink.c b/bfd/elflink.c
+index 6346d7e2b4b..d765b688801 100644
+--- a/bfd/elflink.c
++++ b/bfd/elflink.c
+@@ -96,22 +96,37 @@ _bfd_elf_link_keep_memory (struct bfd_link_info *info)
+   return true;
+ }
+ 
+-asection *
+-_bfd_elf_section_for_symbol (struct elf_reloc_cookie *cookie,
+-			     unsigned long r_symndx,
+-			     bool discard)
++static struct elf_link_hash_entry *
++get_ext_sym_hash (struct elf_reloc_cookie *cookie, unsigned long r_symndx)
+ {
+-  if (r_symndx >= cookie->locsymcount
+-      || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
+-    {
+-      struct elf_link_hash_entry *h;
++  struct elf_link_hash_entry *h = NULL;
+ 
++  if ((r_symndx >= cookie->locsymcount
++       || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
++      /* Guard against corrupt input.  See PR 32636 for an example.  */
++      && r_symndx >= cookie->extsymoff)
++    {
+       h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
+ 
+       while (h->root.type == bfd_link_hash_indirect
+ 	     || h->root.type == bfd_link_hash_warning)
+ 	h = (struct elf_link_hash_entry *) h->root.u.i.link;
++    }
++
++  return h;
++}
+ 
++asection *
++_bfd_elf_section_for_symbol (struct elf_reloc_cookie *cookie,
++			     unsigned long r_symndx,
++			     bool discard)
++{
++  struct elf_link_hash_entry *h;
++
++  h = get_ext_sym_hash (cookie, r_symndx);
++  
++  if (h != NULL)
++    {
+       if ((h->root.type == bfd_link_hash_defined
+ 	   || h->root.type == bfd_link_hash_defweak)
+ 	   && discarded_section (h->root.u.def.section))
+@@ -119,21 +134,20 @@ _bfd_elf_section_for_symbol (struct elf_reloc_cookie *cookie,
+       else
+ 	return NULL;
+     }
+-  else
+-    {
+-      /* It's not a relocation against a global symbol,
+-	 but it could be a relocation against a local
+-	 symbol for a discarded section.  */
+-      asection *isec;
+-      Elf_Internal_Sym *isym;
+ 
+-      /* Need to: get the symbol; get the section.  */
+-      isym = &cookie->locsyms[r_symndx];
+-      isec = bfd_section_from_elf_index (cookie->abfd, isym->st_shndx);
+-      if (isec != NULL
+-	  && discard ? discarded_section (isec) : 1)
+-	return isec;
+-     }
++  /* It's not a relocation against a global symbol,
++     but it could be a relocation against a local
++     symbol for a discarded section.  */
++  asection *isec;
++  Elf_Internal_Sym *isym;
++
++  /* Need to: get the symbol; get the section.  */
++  isym = &cookie->locsyms[r_symndx];
++  isec = bfd_section_from_elf_index (cookie->abfd, isym->st_shndx);
++  if (isec != NULL
++      && discard ? discarded_section (isec) : 1)
++    return isec;
++
+   return NULL;
+ }
+ 
+@@ -13994,22 +14008,12 @@ _bfd_elf_gc_mark_rsec (struct bfd_link_info *info, asection *sec,
+   if (r_symndx == STN_UNDEF)
+     return NULL;
+ 
+-  if (r_symndx >= cookie->locsymcount
+-      || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
++  h = get_ext_sym_hash (cookie, r_symndx);
++
++  if (h != NULL)
+     {
+       bool was_marked;
+ 
+-      h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
+-      if (h == NULL)
+-	{
+-	  info->callbacks->fatal (_("%F%P: corrupt input: %pB\n"),
+-				  sec->owner);
+-	  return NULL;
+-	}
+-      while (h->root.type == bfd_link_hash_indirect
+-	     || h->root.type == bfd_link_hash_warning)
+-	h = (struct elf_link_hash_entry *) h->root.u.i.link;
+-
+       was_marked = h->mark;
+       h->mark = 1;
+       /* Keep all aliases of the symbol too.  If an object symbol
+@@ -15064,17 +15068,12 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma offset, void *cookie)
+       if (r_symndx == STN_UNDEF)
+ 	return true;
+ 
+-      if (r_symndx >= rcookie->locsymcount
+-	  || ELF_ST_BIND (rcookie->locsyms[r_symndx].st_info) != STB_LOCAL)
+-	{
+-	  struct elf_link_hash_entry *h;
+-
+-	  h = rcookie->sym_hashes[r_symndx - rcookie->extsymoff];
++      struct elf_link_hash_entry *h;
+ 
+-	  while (h->root.type == bfd_link_hash_indirect
+-		 || h->root.type == bfd_link_hash_warning)
+-	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
++      h = get_ext_sym_hash (rcookie, r_symndx);
+ 
++      if (h != NULL)
++	{
+ 	  if ((h->root.type == bfd_link_hash_defined
+ 	       || h->root.type == bfd_link_hash_defweak)
+ 	      && (h->root.u.def.section->owner != rcookie->abfd
+@@ -15098,6 +15097,7 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma offset, void *cookie)
+ 		  || discarded_section (isec)))
+ 	    return true;
+ 	}
++      
+       return false;
+     }
+   return false;
+-- 
+2.49.0
+