diff mbox series

[scarthgap,4/4] binutils: fix CVE-2026-18220

Message ID 20260812072822.22227-5-jaipaul.cheernam@est.tech
State New
Headers show
Series binutils: fix CVE-2025-1147, CVE-2025-8224, CVE-2026-15003, CVE-2026-18220 | expand

Commit Message

Jaipaul Cheernam Aug. 12, 2026, 7:28 a.m. UTC 
Reference:
https://nvd.nist.gov/vuln/detail/CVE-2026-18220
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=114e3aae2b7e34057c8909301eaf78c15687e8e5

Test results:
  binutils-cross-testsuite 2.42 (x86_64-oe-linux):

  Before:
  binutils: 302 passed, 2 unexpected failures, 1 untested, 7 unsupported
  gas:      1871 passed, 4 unexpected failures, 2 unsupported
  ld:       1728 passed, 5 unexpected failures, 7 expected failures, 1 unresolved, 20 untested, 99 unsupported

  After:
  binutils: 304 passed, 2 unexpected failures, 1 untested, 7 unsupported
  gas:      1871 passed, 4 unexpected failures, 2 unsupported
  ld:       1728 passed, 5 unexpected failures, 7 expected failures, 1 unresolved, 20 untested, 99 unsupported

Signed-off-by: Jaipaul Cheernam <jaipaul.cheernam@est.tech>
---
 .../binutils/binutils-2.42.inc                |  1 +
 .../binutils/binutils/CVE-2026-18220.patch    | 65 +++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2026-18220.patch

Comments

patchtest@automation.yoctoproject.org Aug. 12, 2026, 7:48 a.m. UTC | #1 
Thank you for your submission. Patchtest identified one
or more issues with the patch. Please see the log below for
more information:

---
Testing patch /home/patchtest/share/mboxes/scarthgap-4-4-binutils-fix-CVE-2026-18220.patch

FAIL: test Upstream-Status presence: Upstream-Status is present only after the patch scissors. It must be placed in the patch header before the scissors line. (test_patch.TestPatch.test_upstream_status_presence_format)

PASS: test CVE tag format (test_patch.TestPatch.test_cve_tag_format)
PASS: test Signed-off-by presence (test_mbox.TestMbox.test_signed_off_by_presence)
PASS: test Signed-off-by presence (test_patch.TestPatch.test_signed_off_by_presence)
PASS: test auh changelog truncation notice (test_mbox.TestMbox.test_auh_changelog_truncation_notice)
PASS: test author valid (test_mbox.TestMbox.test_author_valid)
PASS: test commit message presence (test_mbox.TestMbox.test_commit_message_presence)
PASS: test commit message user tags (test_mbox.TestMbox.test_commit_message_user_tags)
PASS: test max line length (test_metadata.TestMetadata.test_max_line_length)
PASS: test mbox format (test_mbox.TestMbox.test_mbox_format)
PASS: test non-AUH upgrade (test_mbox.TestMbox.test_non_auh_upgrade)
PASS: test shortlog format (test_mbox.TestMbox.test_shortlog_format)
PASS: test shortlog length (test_mbox.TestMbox.test_shortlog_length)
PASS: test target mailing list (test_mbox.TestMbox.test_target_mailing_list)

SKIP: pretest pylint: No python related patches, skipping test (test_python_pylint.PyLint.pretest_pylint)
SKIP: pretest src uri left files: Patch cannot be merged (test_metadata.TestMetadata.pretest_src_uri_left_files)
SKIP: test CVE check ignore: No modified recipes or older target branch, skipping test (test_metadata.TestMetadata.test_cve_check_ignore)
SKIP: test bugzilla entry format: No bug ID found (test_mbox.TestMbox.test_bugzilla_entry_format)
SKIP: test lic files chksum modified not mentioned: No modified recipes, skipping test (test_metadata.TestMetadata.test_lic_files_chksum_modified_not_mentioned)
SKIP: test lic files chksum presence: No added recipes, skipping test (test_metadata.TestMetadata.test_lic_files_chksum_presence)
SKIP: test license presence: No added recipes, skipping test (test_metadata.TestMetadata.test_license_presence)
SKIP: test pylint: No python related patches, skipping test (test_python_pylint.PyLint.test_pylint)
SKIP: test series merge on head: Merge test is disabled for now (test_mbox.TestMbox.test_series_merge_on_head)
SKIP: test src uri left files: Patch cannot be merged (test_metadata.TestMetadata.test_src_uri_left_files)
SKIP: test summary presence: No added recipes, skipping test (test_metadata.TestMetadata.test_summary_presence)

---

Please address the issues identified and
submit a new revision of the patch, or alternatively, reply to this
email with an explanation of why the patch should be accepted. If you
believe these results are due to an error in patchtest, please submit a
bug at https://bugzilla.yoctoproject.org/ (use the 'Patchtest' category
under 'Yocto Project Subprojects'). For more information on specific
failures, see: https://wiki.yoctoproject.org/wiki/Patchtest. Thank
you!
diff mbox series

Patch

diff --git a/meta/recipes-devtools/binutils/binutils-2.42.inc b/meta/recipes-devtools/binutils/binutils-2.42.inc
index 447529ffa9..d395ae1b1e 100644
--- a/meta/recipes-devtools/binutils/binutils-2.42.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.42.inc
@@ -81,5 +81,6 @@  SRC_URI = "\
      file://CVE-2025-1147.patch \
      file://CVE-2025-8224.patch \
      file://CVE-2026-15003.patch \
+     file://CVE-2026-18220.patch \
 "
 S  = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2026-18220.patch b/meta/recipes-devtools/binutils/binutils/CVE-2026-18220.patch
new file mode 100644
index 0000000000..36d4ae28b1
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2026-18220.patch
@@ -0,0 +1,65 @@ 
+From 114e3aae2b7e34057c8909301eaf78c15687e8e5 Mon Sep 17 00:00:00 2001
+From: Alan Modra <amodra@gmail.com>
+Date: Sun, 28 Jun 2026 09:11:46 +0930
+Subject: [PATCH] asan: buffer overflow in elf32_dlx_relocate26
+
+	* elf32-dlx.c (elf32_dlx_relocate26): Sanity check reloc offset.
+	(elf32_dlx_relocate16): Likewise.
+	(_bfd_dlx_elf_hi16_reloc): Likewise, and remove ineffective
+	existing check.
+---
+ bfd/elf32-dlx.c | 15 ++++++++++++---
+ 1 file changed, 12 insertions(+), 3 deletions(-)
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=114e3aae2b7e34057c8909301eaf78c15687e8e5]
+CVE: CVE-2026-18220
+
+Signed-off-by: Jaipaul Cheernam <jaipaul.cheernam@est.tech>
+
+diff --git a/bfd/elf32-dlx.c b/bfd/elf32-dlx.c
+index 2dfeb4d7390..0f9a49695d7 100644
+--- a/bfd/elf32-dlx.c
++++ b/bfd/elf32-dlx.c
+@@ -77,6 +77,10 @@ _bfd_dlx_elf_hi16_reloc (bfd *abfd,
+       return bfd_reloc_ok;
+     }
+ 
++  if (!bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
++				  input_section, reloc_entry->address))
++    return bfd_reloc_outofrange;
++
+   ret = bfd_reloc_ok;
+ 
+   if (bfd_is_und_section (symbol->section)
+@@ -89,9 +93,6 @@ _bfd_dlx_elf_hi16_reloc (bfd *abfd,
+   relocation += reloc_entry->addend;
+   relocation += bfd_get_16 (abfd, (bfd_byte *)data + reloc_entry->address);
+ 
+-  if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
+-    return bfd_reloc_outofrange;
+-
+   bfd_put_16 (abfd, (short)((relocation >> 16) & 0xFFFF),
+ 	      (bfd_byte *)data + reloc_entry->address);
+ 
+@@ -143,6 +144,10 @@ elf32_dlx_relocate16 (bfd *abfd,
+       return bfd_reloc_undefined;
+     }
+ 
++  if (!bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
++				  input_section, reloc_entry->address))
++    return bfd_reloc_outofrange;
++
+   insn  = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
+   allignment = 1 << (input_section->output_section->alignment_power - 1);
+   vallo = insn & 0x0000FFFF;
+@@ -206,6 +211,10 @@ elf32_dlx_relocate26 (bfd *abfd,
+       return bfd_reloc_undefined;
+     }
+ 
++  if (!bfd_reloc_offset_in_range (reloc_entry->howto, abfd,
++				  input_section, reloc_entry->address))
++    return bfd_reloc_outofrange;
++
+   insn  = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
+   allignment = 1 << (input_section->output_section->alignment_power - 1);
+   vallo = insn & 0x03FFFFFF;