diff options
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/0022-CVE-2023-25584-1.patch')
| -rw-r--r-- | meta/recipes-devtools/binutils/binutils/0022-CVE-2023-25584-1.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/0022-CVE-2023-25584-1.patch b/meta/recipes-devtools/binutils/binutils/0022-CVE-2023-25584-1.patch new file mode 100644 index 0000000000..990243f5c9 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/0022-CVE-2023-25584-1.patch @@ -0,0 +1,56 @@ +From: Alan Modra <amodra@gmail.com> +Date: Thu, 17 Mar 2022 09:35:39 +0000 (+1030) +Subject: ubsan: Null dereference in parse_module +X-Git-Tag: gdb-12.1-release~59 +X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c9178f285acf19e066be8367185d52837161b0a2 + +ubsan: Null dereference in parse_module + + * vms-alpha.c (parse_module): Sanity check that DST__K_RTNBEG + has set module->func_table for DST__K_RTNEND. Check return + of bfd_zalloc. + +Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=c9178f285acf19e066be8367185d52837161b0a2] + +CVE: CVE-2023-25584 + +Signed-off-by: Deepthi Hemraj <Deepthi.Hemraj@windriver.com> + +--- + +diff --git a/bfd/vms-alpha.c b/bfd/vms-alpha.c +index 4a92574c850..1129c98f0e2 100644 +--- a/bfd/vms-alpha.c ++++ b/bfd/vms-alpha.c +@@ -4352,9 +4352,13 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + + /* Initialize tables with zero element. */ + curr_srec = (struct srecinfo *) bfd_zalloc (abfd, sizeof (struct srecinfo)); ++ if (!curr_srec) ++ return false; + module->srec_table = curr_srec; + + curr_line = (struct lineinfo *) bfd_zalloc (abfd, sizeof (struct lineinfo)); ++ if (!curr_line) ++ return false; + module->line_table = curr_line; + + while (length == -1 || ptr < maxptr) +@@ -4389,6 +4393,8 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + case DST__K_RTNBEG: + funcinfo = (struct funcinfo *) + bfd_zalloc (abfd, sizeof (struct funcinfo)); ++ if (!funcinfo) ++ return false; + funcinfo->name + = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_RTNBEG_NAME, + maxptr - (ptr + DST_S_B_RTNBEG_NAME)); +@@ -4401,6 +4407,8 @@ parse_module (bfd *abfd, struct module *module, unsigned char *ptr, + break; + + case DST__K_RTNEND: ++ if (!module->func_table) ++ return false; + module->func_table->high = module->func_table->low + + bfd_getl32 (ptr + DST_S_L_RTNEND_SIZE) - 1; + |