binutils: Fix CVE-2025-11494

Since x86 .eh_frame section may reference _GLOBAL_OFFSET_TABLE_, keep
_GLOBAL_OFFSET_TABLE_ if there is dynamic section and the output
.eh_frame section is non-empty.

Backport a patch from upstream to fix CVE-2025-11494
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a]

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

diff --git a/meta/recipes-devtools/binutils/binutils-2.42.inc b/meta/recipes-devtools/binutils/binutils-2.42.inc
index 60b0d03ccdbdcc663f4e5a197b0e4b363e913cea..69c5eddefb06b3628b77d63d881694f545c0a20f 100644 (file)
--- a/meta/recipes-devtools/binutils/binutils-2.42.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.42.inc
@@ -66,5 +66,6 @@ SRC_URI = "\
      file://CVE-2025-11414.patch \
      file://CVE-2025-11412.patch \
      file://CVE-2025-11413.patch \
+     file://0028-CVE-2025-11494.patch \
 "
 S  = "${WORKDIR}/git"

diff --git a/meta/recipes-devtools/binutils/binutils/0028-CVE-2025-11494.patch b/meta/recipes-devtools/binutils/binutils/0028-CVE-2025-11494.patch
new file mode 100644 (file)
index 0000000..dc4b413
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0028-CVE-2025-11494.patch
@@ -0,0 +1,43 @@
+From: "H.J. Lu" <hjl.tools@gmail.com>
+Date: Tue, 30 Sep 2025 08:13:56 +0800
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a]
+CVE: CVE-2025-11494
+
+Since x86 .eh_frame section may reference _GLOBAL_OFFSET_TABLE_, keep
+_GLOBAL_OFFSET_TABLE_ if there is dynamic section and the output
+.eh_frame section is non-empty.
+
+       PR ld/33499
+       * elfxx-x86.c (_bfd_x86_elf_late_size_sections): Keep
+       _GLOBAL_OFFSET_TABLE_ if there is dynamic section and the
+       output .eh_frame section is non-empty.
+
+Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
+
+diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c
+index c054f7cd..ddc15945 100644
+--- a/bfd/elfxx-x86.c
++++ b/bfd/elfxx-x86.c
+@@ -2447,6 +2447,8 @@ _bfd_x86_elf_late_size_sections (bfd *output_bfd,
+ 
+   if (htab->elf.sgotplt)
+     {
++      asection *eh_frame;
++
+       /* Don't allocate .got.plt section if there are no GOT nor PLT
+        entries and there is no reference to _GLOBAL_OFFSET_TABLE_.  */
+       if ((htab->elf.hgot == NULL
+@@ -2459,7 +2461,11 @@ _bfd_x86_elf_late_size_sections (bfd *output_bfd,
+         && (htab->elf.iplt == NULL
+             || htab->elf.iplt->size == 0)
+         && (htab->elf.igotplt == NULL
+-            || htab->elf.igotplt->size == 0))
++             || htab->elf.igotplt->size == 0)
++         && (!htab->elf.dynamic_sections_created
++             || (eh_frame = bfd_get_section_by_name (output_bfd,
++                                                     ".eh_frame")) == NULL
++             || eh_frame->rawsize == 0))
+       {
+         htab->elf.sgotplt->size = 0;
+         /* Solaris requires to keep _GLOBAL_OFFSET_TABLE_ even if it