binutils : Fix CVE-2023-25585

Upstream-Status: Backport [https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=65cf035b8dc1df5d8020e0b1449514a3c42933e7]

Signed-off-by: Deepthi Hemraj <deepadeepthi98@gmail.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

diff --git a/meta/recipes-devtools/binutils/binutils-2.38.inc b/meta/recipes-devtools/binutils/binutils-2.38.inc
index 69fb8539ba882e884e84cc5ea6af24540667cf98..408b503644961a658c9c50ef3adf4a3cbe0d5f2c 100644 (file)
--- a/meta/recipes-devtools/binutils/binutils-2.38.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.38.inc
@@ -53,5 +53,6 @@ SRC_URI = "\
      file://0022-CVE-2023-25584-1.patch \
      file://0022-CVE-2023-25584-2.patch \
      file://0022-CVE-2023-25584-3.patch \
+     file://0023-CVE-2023-25585.patch \
 "
 S  = "${WORKDIR}/git"

diff --git a/meta/recipes-devtools/binutils/binutils/0023-CVE-2023-25585.patch b/meta/recipes-devtools/binutils/binutils/0023-CVE-2023-25585.patch
new file mode 100644 (file)
index 0000000..e31a027
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0023-CVE-2023-25585.patch
@@ -0,0 +1,54 @@
+From: Alan Modra <amodra@gmail.com>
+Date: Mon, 12 Dec 2022 08:31:08 +0000 (+1030)
+Subject: PR29892, Field file_table of struct module is uninitialized
+X-Git-Tag: gdb-13-branchpoint~86
+X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=65cf035b8dc1df5d8020e0b1449514a3c42933e7
+
+PR29892, Field file_table of struct module is uninitialized
+
+       PR 29892
+       * vms-alphs.c (new_module): Use bfd_zmalloc to alloc file_table.
+       (parse_module): Rewrite file_table reallocation code and clear.
+
+Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=65cf035b8dc1df5d8020e0b1449514a3c42933e7]
+
+CVE: CVE-2023-25585
+
+Signed-off-by: Deepthi Hemraj <Deepthi.Hemraj@windriver.com>
+
+---
+
+diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c
+index 3b63259cc81..6ee7060b0b2 100644
+--- a/bfd/vms-alpha.c
++++ b/bfd/vms-alpha.c
+@@ -4337,7 +4337,7 @@ new_module (bfd *abfd)
+     = (struct module *) bfd_zalloc (abfd, sizeof (struct module));
+   module->file_table_count = 16; /* Arbitrary.  */
+   module->file_table
+-    = bfd_malloc (module->file_table_count * sizeof (struct fileinfo));
++    = bfd_zmalloc (module->file_table_count * sizeof (struct fileinfo));
+   return module;
+ }
+
+@@ -4520,15 +4520,18 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr,
+                      src_ptr + DST_S_B_SRC_DF_FILENAME,
+                      ptr + rec_length - (src_ptr + DST_S_B_SRC_DF_FILENAME));
+
+-                  while (fileid >= module->file_table_count)
++                  if (fileid >= module->file_table_count)
+                     {
+-                      module->file_table_count *= 2;
++                      unsigned int old_count = module->file_table_count;
++                      module->file_table_count += fileid;
+                       module->file_table
+                         = bfd_realloc_or_free (module->file_table,
+                                                module->file_table_count
+                                                * sizeof (struct fileinfo));
+                       if (module->file_table == NULL)
+                         return false;
++                      memset (module->file_table + old_count, 0,
++                              fileid * sizeof (struct fileinfo));
+                     }
+
+                   module->file_table [fileid].name = filename;