@@ -39,5 +39,6 @@ SRC_URI = "\
file://0016-CVE-2024-53589.patch \
file://0017-dlltool-file-name-too-long.patch \
file://0018-CVE-2025-0840.patch \
+ file://CVE-2025-1176.patch \
"
S = "${WORKDIR}/git"
new file mode 100644
@@ -0,0 +1,156 @@
+From f9978defb6fab0bd8583942d97c112b0932ac814 Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Wed, 5 Feb 2025 11:15:11 +0000
+Subject: [PATCH] Prevent illegal memory access when indexing into the
+ sym_hashes array of the elf bfd cookie structure.
+
+PR 32636
+
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/binutils/plain/debian/patches/CVE-2025-1176.patch?h=applied/ubuntu/jammy-security&id=62a5cc5a49f4be036cf98d2b8fc7d618620ba672
+Upstream commit https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=f9978defb6fab0bd8583942d97c112b0932ac814]
+CVE: CVE-2025-1176
+Signed-off-by: Ashish Sharma <asharma@mvista.com>
+
+Index: binutils-2.38/bfd/elflink.c
+===================================================================
+--- binutils-2.38.orig/bfd/elflink.c
++++ binutils-2.38/bfd/elflink.c
+@@ -62,15 +62,16 @@ struct elf_find_verdep_info
+ static bool _bfd_elf_fix_symbol_flags
+ (struct elf_link_hash_entry *, struct elf_info_failed *);
+
+-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 = 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)
+ {
+- struct elf_link_hash_entry *h;
+
+ h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
+
+@@ -78,6 +79,22 @@ _bfd_elf_section_for_symbol (struct elf_
+ || 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))
+@@ -85,21 +102,20 @@ _bfd_elf_section_for_symbol (struct elf_
+ 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;
+ }
+
+@@ -13642,22 +13658,12 @@ _bfd_elf_gc_mark_rsec (struct bfd_link_i
+ 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->einfo (_("%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
+@@ -14703,17 +14709,12 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma
+ 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];
+-
+- 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;
++ struct elf_link_hash_entry *h;
+
++ 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
+@@ -14737,6 +14738,7 @@ bfd_elf_reloc_symbol_deleted_p (bfd_vma
+ || discarded_section (isec)))
+ return true;
+ }
++
+ return false;
+ }
+ return false;