binutils: Fix CVE-2025-5244 & CVE-2025-5245

PR32858 ld segfault on fuzzed object
We missed one place where it is necessary to check for empty groups.

PR32829, SEGV on objdump function debug_type_samep
u.kenum is always non-NULL, see debug_make_enum_type.

Upstream-Status: Backport
[https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=d1458933830456e54223d9fc61f0d9b3a19256f5]
&& [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=6c3458a8b7ee7d39f070c7b2350851cb2110c65a]

(From OE-Core rev: 7eb29f802b272dec19c5bfdce93155d99bac918d)

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

3 files changed, 65 insertions, 0 deletions

diff --git a/meta/recipes-devtools/binutils/binutils-2.38.inc b/meta/recipes-devtools/binutils/binutils-2.38.inc
index 085ca2301e..f1c29015bc 100644
--- a/meta/recipes-devtools/binutils/binutils-2.38.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.38.inc
@@ -76,5 +76,7 @@ SRC_URI = "\
      file://0039-CVE-2025-1178.patch \
      file://0040-CVE-2025-1180.patch \
      file://0040-CVE-2025-1182.patch \
+     file://0041-CVE-2025-5244.patch \
+     file://0042-CVE-2025-5245.patch \
 "
 S  = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/0041-CVE-2025-5244.patch b/meta/recipes-devtools/binutils/binutils/0041-CVE-2025-5244.patch
new file mode 100644
index 0000000000..e8855a4b4b
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0041-CVE-2025-5244.patch
@@ -0,0 +1,25 @@
+From: Alan Modra <amodra@gmail.com>
+Date: Thu, 10 Apr 2025 19:41:49 +0930
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=d1458933830456e54223d9fc61f0d9b3a19256f5]
+CVE: CVE-2025-5244
+
+PR32858 ld segfault on fuzzed object
+We missed one place where it is necessary to check for empty groups.
+
+Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
+
+diff --git a/bfd/elflink.c b/bfd/elflink.c
+index a76e8e38da7..549b7b7dd92 100644
+--- a/bfd/elflink.c
++++ b/bfd/elflink.c
+@@ -14408,7 +14408,8 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
+          if (o->flags & SEC_GROUP)
+            {
+              asection *first = elf_next_in_group (o);
+-             o->gc_mark = first->gc_mark;
++             if (first != NULL)
++               o->gc_mark = first->gc_mark;
+            }
+ 
+          if (o->gc_mark)
diff --git a/meta/recipes-devtools/binutils/binutils/0042-CVE-2025-5245.patch b/meta/recipes-devtools/binutils/binutils/0042-CVE-2025-5245.patch
new file mode 100644
index 0000000000..2de6abbe93
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0042-CVE-2025-5245.patch
@@ -0,0 +1,38 @@
+From: Alan Modra <amodra@gmail.com>
+Date: Tue, 1 Apr 2025 22:36:54 +1030
+
+PR32829, SEGV on objdump function debug_type_samep
+u.kenum is always non-NULL, see debug_make_enum_type.
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=6c3458a8b7ee7d39f070c7b2350851cb2110c65a]
+CVE: CVE-2025-5245
+
+Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
+
+diff --git a/binutils/debug.c b/binutils/debug.c
+index dcc8ccde..465b18e7 100644
+--- a/binutils/debug.c
++++ b/binutils/debug.c
+@@ -2554,9 +2554,6 @@ debug_write_type (struct debug_handle *info,
+     case DEBUG_KIND_UNION_CLASS:
+       return debug_write_class_type (info, fns, fhandle, type, tag);
+     case DEBUG_KIND_ENUM:
+-      if (type->u.kenum == NULL)
+-       return (*fns->enum_type) (fhandle, tag, (const char **) NULL,
+-                                 (bfd_signed_vma *) NULL);
+       return (*fns->enum_type) (fhandle, tag, type->u.kenum->names,
+                                type->u.kenum->values);
+     case DEBUG_KIND_POINTER:
+@@ -3098,9 +3095,9 @@ debug_type_samep (struct debug_handle *info, struct debug_type_s *t1,
+       break;
+ 
+     case DEBUG_KIND_ENUM:
+-      if (t1->u.kenum == NULL)
+-       ret = t2->u.kenum == NULL;
+-      else if (t2->u.kenum == NULL)
++      if (t1->u.kenum->names == NULL)
++       ret = t2->u.kenum->names == NULL;
++      else if (t2->u.kenum->names == NULL)
+        ret = false;
+       else
+        {