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binutils: fix CVE-2025-11081

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CVE: CVE-2025-11081

Trying to dump .sframe in a PE file results in a segfault accessing
elf_section_data.

	* objdump (dump_sframe_section, dump_dwarf_section): Don't access
	elf_section_type without first checking the file is ELF.

PR 33406 SEGV in dump_dwarf_section
[https://sourceware.org/bugzilla/show_bug.cgi?id=33406]

Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f87a66db645caf8cc0e6fc87b0c28c78a38af59b]

(From OE-Core rev: 6ed800208a56d69faf4a1b3458caa8d412f01b89)

Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Yash Shinde 2025-10-28 03:28:01 -07:00 committed by Steve Sakoman
parent b45fdb365d
commit 3574b5a9d1
2 changed files with 85 additions and 0 deletions
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1
meta/recipes-devtools/binutils/binutils-2.42.inc
View File

@ -61,5 +61,6 @@ SRC_URI = "\
file://0023-CVE-2025-7545.patch \
file://0024-CVE-2025-11082.patch \
file://0025-CVE-2025-11083.patch \
file://0026-CVE-2025-11081.patch \
"
S = "${WORKDIR}/git"

84
meta/recipes-devtools/binutils/binutils/0026-CVE-2025-11081.patch Normal file
View File

@ -0,0 +1,84 @@
From f87a66db645caf8cc0e6fc87b0c28c78a38af59b Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@gmail.com>
Date: Tue, 9 Sep 2025 18:32:09 +0930
Subject: [PATCH] PR 33406 SEGV in dump_dwarf_section
Trying to dump .sframe in a PE file results in a segfault accessing
elf_section_data.
* objdump (dump_sframe_section, dump_dwarf_section): Don't access
elf_section_type without first checking the file is ELF.
---
binutils/objdump.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=f87a66db645caf8cc0e6fc87b0c28c78a38af59b]
CVE: CVE-2025-11081
Signed-off-by: Alan Modra <amodra@gmail.com>
Signed-off-by: Yash Shinde <Yash.Shinde@windriver.com>
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 290f7e51f66..ee8823da05a 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -4418,6 +4418,10 @@
else
match = name;
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && elf_section_type (section) == SHT_GNU_SFRAME)
+ match = ".sframe";
+
for (i = 0; i < max; i++)
if ((strcmp (debug_displays [i].section.uncompressed_name, match) == 0
|| strcmp (debug_displays [i].section.compressed_name, match) == 0
@@ -4923,6 +4927,36 @@
}
+static void
+dump_sframe_section (bfd *abfd, const char *sect_name, bool is_mainfile)
+
+{
+ /* Error checking for user provided SFrame section name, if any. */
+ if (sect_name)
+ {
+ asection *sec = bfd_get_section_by_name (abfd, sect_name);
+ if (sec == NULL)
+ {
+ printf (_("No %s section present\n\n"), sanitize_string (sect_name));
+ return;
+ }
+ /* Starting with Binutils 2.45, SFrame sections have section type
+ SHT_GNU_SFRAME. For SFrame sections from Binutils 2.44 or earlier,
+ check explcitly for SFrame sections of type SHT_PROGBITS and name
+ ".sframe" to allow them. */
+ else if (bfd_get_flavour (abfd) != bfd_target_elf_flavour
+ || (elf_section_type (sec) != SHT_GNU_SFRAME
+ && !(elf_section_type (sec) == SHT_PROGBITS
+ && strcmp (sect_name, ".sframe") == 0)))
+ {
+ printf (_("Section %s does not contain SFrame data\n\n"),
+ sanitize_string (sect_name));
+ return;
+ }
+ }
+ dump_dwarf (abfd, is_mainfile);
+}
+
static void
dump_target_specific (bfd *abfd)
{
const struct objdump_private_desc * const *desc;
diff --git a/include/elf/common.h b/include/elf/common.h
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -528,6 +528,8 @@
#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
+#define SHT_GNU_SFRAME 0x6ffffff4 /* SFrame stack trace information. */
+
#define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */
#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */
#define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */