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[kirkstone] binutils : Fix CVE-2023-1972

Message ID 20230504064730.1190427-1-deepadeepthi98@gmail.com
State New, archived
Headers show
Series [kirkstone] binutils : Fix CVE-2023-1972 | expand

Commit Message

Deepthi Hemraj May 4, 2023, 6:47 a.m. UTC 
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=blobdiff;f=bfd/elf.c;h=185028cbd97ae0901c4276c8a4787b12bb75875a;hp=027d01437352555bc4ac0717cb0486c751a7775d;hb=c22d38baefc5a7a1e1f5cdc9dbb556b1f0ec5c57;hpb=f2f9bde5cde7ff34ed0a4c4682a211d402aa1086]

Signed-off-by: Deepthi Hemraj <deepadeepthi98@gmail.com>
---
 .../binutils/binutils-2.38.inc                |  1 +
 .../binutils/0024-CVE-2023-1972.patch         | 41 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 meta/recipes-devtools/binutils/binutils/0024-CVE-2023-1972.patch
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Patch

diff --git a/meta/recipes-devtools/binutils/binutils-2.38.inc b/meta/recipes-devtools/binutils/binutils-2.38.inc
index bf44e6c762..de95f3eb6f 100644
--- a/meta/recipes-devtools/binutils/binutils-2.38.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.38.inc
@@ -50,5 +50,6 @@  SRC_URI = "\
      file://0021-CVE-2023-1579-2.patch \
      file://0021-CVE-2023-1579-3.patch \
      file://0021-CVE-2023-1579-4.patch \
+     file://0024-CVE-2023-1972.patch \
 "
 S  = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/0024-CVE-2023-1972.patch b/meta/recipes-devtools/binutils/binutils/0024-CVE-2023-1972.patch
new file mode 100644
index 0000000000..c6c850c288
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0024-CVE-2023-1972.patch
@@ -0,0 +1,41 @@ 
+From: Nick Clifton <nickc@redhat.com>
+Date: Thu, 30 Mar 2023 09:10:09 +0000 (+0100)
+Subject: Fix an illegal memory access when an accessing a zer0-lengthverdef table.
+X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c22d38baefc5a7a1e1f5cdc9dbb556b1f0ec5c57
+
+Fix an illegal memory access when an accessing a zer0-lengthverdef table.
+
+  PR 30285
+  * elf.c (_bfd_elf_slurp_version_tables): Fail if no version definitions are allocated.
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c22d38baefc5a7a1e1f5cdc9dbb556b1f0ec5c57]
+
+CVE:CVE-2023-1972
+
+Signed-off-by: Deepthi Hemraj <Deepthi.Hemraj@windriver.com>
+
+---
+
+diff --git a/bfd/elf.c b/bfd/elf.c
+index 027d0143735..185028cbd97 100644
+--- a/bfd/elf.c
++++ b/bfd/elf.c
+@@ -9030,6 +9030,9 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
+	  bfd_set_error (bfd_error_file_too_big);
+	  goto error_return_verdef;
+	}
++
++      if (amt == 0)
++	goto error_return_verdef;
+       elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
+       if (elf_tdata (abfd)->verdef == NULL)
+	goto error_return_verdef;
+@@ -9133,6 +9136,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd, bool default_imported_symver)
+	  bfd_set_error (bfd_error_file_too_big);
+	  goto error_return;
+	}
++      if (amt == 0)
++	goto error_return;
+       elf_tdata (abfd)->verdef = (Elf_Internal_Verdef *) bfd_zalloc (abfd, amt);
+       if (elf_tdata (abfd)->verdef == NULL)
+	goto error_return;