summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--meta/recipes-devtools/binutils/binutils-2.44.inc2
-rw-r--r--meta/recipes-devtools/binutils/binutils/0016-CVE-2025-1181-1.patch141
-rw-r--r--meta/recipes-devtools/binutils/binutils/0017-CVE-2025-1181-2.patch337
3 files changed, 480 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils-2.44.inc b/meta/recipes-devtools/binutils/binutils-2.44.inc
index 7d1de61e10..5838b2ebeb 100644
--- a/meta/recipes-devtools/binutils/binutils-2.44.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.44.inc
@@ -38,5 +38,7 @@ SRC_URI = "\
38 file://0015-CVE-2025-1178.patch \ 38 file://0015-CVE-2025-1178.patch \
39 file://CVE-2025-1180.patch \ 39 file://CVE-2025-1180.patch \
40 file://CVE-2025-1182.patch \ 40 file://CVE-2025-1182.patch \
41 file://0016-CVE-2025-1181-1.patch \
42 file://0017-CVE-2025-1181-2.patch \
41" 43"
42S = "${WORKDIR}/git" 44S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/0016-CVE-2025-1181-1.patch b/meta/recipes-devtools/binutils/binutils/0016-CVE-2025-1181-1.patch
new file mode 100644
index 0000000000..d3709c7a4f
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0016-CVE-2025-1181-1.patch
@@ -0,0 +1,141 @@
1From: Nick Clifton <nickc@redhat.com>
2Date: Wed, 5 Feb 2025 14:31:10 +0000
3
4Prevent illegal memory access when checking relocs in a corrupt ELF binary.
5
6PR 32641
7
8Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=18cc11a2771d9e40180485da9a4fb660c03efac3]
9CVE: CVE-2025-1181
10
11Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
12
13diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
14index 785a37dd7fd..d2bf8e5cbae 100644
15--- a/bfd/elf-bfd.h
16+++ b/bfd/elf-bfd.h
17@@ -3150,6 +3150,9 @@ extern bool _bfd_elf_link_mmap_section_contents
18 extern void _bfd_elf_link_munmap_section_contents
19 (asection *);
20
21+extern struct elf_link_hash_entry * _bfd_elf_get_link_hash_entry
22+ (struct elf_link_hash_entry **, unsigned int, Elf_Internal_Shdr *);
23+
24 /* Large common section. */
25 extern asection _bfd_elf_large_com_section;
26
27diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
28index 32db254ba6c..2d82c6583c3 100644
29--- a/bfd/elf64-x86-64.c
30+++ b/bfd/elf64-x86-64.c
31@@ -1744,7 +1744,7 @@ elf_x86_64_convert_load_reloc (bfd *abfd,
32 bool to_reloc_pc32;
33 bool abs_symbol;
34 bool local_ref;
35- asection *tsec;
36+ asection *tsec = NULL;
37 bfd_signed_vma raddend;
38 unsigned int opcode;
39 unsigned int modrm;
40@@ -1910,6 +1910,9 @@ elf_x86_64_convert_load_reloc (bfd *abfd,
41 return true;
42 }
43
44+ if (tsec == NULL)
45+ return false;
46+
47 /* Don't convert GOTPCREL relocation against large section. */
48 if (elf_section_data (tsec) != NULL
49 && (elf_section_flags (tsec) & SHF_X86_64_LARGE) != 0)
50@@ -2206,10 +2209,7 @@ elf_x86_64_scan_relocs (bfd *abfd, struct bfd_link_info *info,
51 else
52 {
53 isym = NULL;
54- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
55- while (h->root.type == bfd_link_hash_indirect
56- || h->root.type == bfd_link_hash_warning)
57- h = (struct elf_link_hash_entry *) h->root.u.i.link;
58+ h = _bfd_elf_get_link_hash_entry (sym_hashes, r_symndx, symtab_hdr);
59 }
60
61 /* Check invalid x32 relocations. */
62diff --git a/bfd/elflink.c b/bfd/elflink.c
63index 1f1263007c0..eafbd133ff5 100644
64--- a/bfd/elflink.c
65+++ b/bfd/elflink.c
66@@ -96,6 +96,27 @@ _bfd_elf_link_keep_memory (struct bfd_link_info *info)
67 return true;
68 }
69
70+struct elf_link_hash_entry *
71+_bfd_elf_get_link_hash_entry (struct elf_link_hash_entry ** sym_hashes,
72+ unsigned int symndx,
73+ Elf_Internal_Shdr * symtab_hdr)
74+{
75+ if (symndx < symtab_hdr->sh_info)
76+ return NULL;
77+
78+ struct elf_link_hash_entry *h = sym_hashes[symndx - symtab_hdr->sh_info];
79+
80+ /* The hash might be empty. See PR 32641 for an example of this. */
81+ if (h == NULL)
82+ return NULL;
83+
84+ while (h->root.type == bfd_link_hash_indirect
85+ || h->root.type == bfd_link_hash_warning)
86+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
87+
88+ return h;
89+}
90+
91 static struct elf_link_hash_entry *
92 get_ext_sym_hash (struct elf_reloc_cookie *cookie, unsigned long r_symndx)
93 {
94@@ -108,6 +129,9 @@ get_ext_sym_hash (struct elf_reloc_cookie *cookie, unsigned long r_symndx)
95 {
96 h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
97
98+ if (h == NULL)
99+ return NULL;
100+
101 while (h->root.type == bfd_link_hash_indirect
102 || h->root.type == bfd_link_hash_warning)
103 h = (struct elf_link_hash_entry *) h->root.u.i.link;
104diff --git a/bfd/elfxx-x86.c b/bfd/elfxx-x86.c
105index 8e5a005fd36..832a5495eb1 100644
106--- a/bfd/elfxx-x86.c
107+++ b/bfd/elfxx-x86.c
108@@ -973,15 +973,7 @@ _bfd_x86_elf_check_relocs (bfd *abfd,
109 goto error_return;
110 }
111
112- if (r_symndx < symtab_hdr->sh_info)
113- h = NULL;
114- else
115- {
116- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
117- while (h->root.type == bfd_link_hash_indirect
118- || h->root.type == bfd_link_hash_warning)
119- h = (struct elf_link_hash_entry *) h->root.u.i.link;
120- }
121+ h = _bfd_elf_get_link_hash_entry (sym_hashes, r_symndx, symtab_hdr);
122
123 if (X86_NEED_DYNAMIC_RELOC_TYPE_P (is_x86_64, r_type)
124 && NEED_DYNAMIC_RELOCATION_P (is_x86_64, info, true, h, sec,
125@@ -1209,10 +1201,12 @@ _bfd_x86_elf_link_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
126 else
127 {
128 /* Get H and SEC for GENERATE_DYNAMIC_RELOCATION_P below. */
129- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
130- while (h->root.type == bfd_link_hash_indirect
131- || h->root.type == bfd_link_hash_warning)
132- h = (struct elf_link_hash_entry *) h->root.u.i.link;
133+ h = _bfd_elf_get_link_hash_entry (sym_hashes, r_symndx, symtab_hdr);
134+ if (h == NULL)
135+ {
136+ /* FIXMEL: Issue an error message ? */
137+ continue;
138+ }
139
140 if (h->root.type == bfd_link_hash_defined
141 || h->root.type == bfd_link_hash_defweak)
diff --git a/meta/recipes-devtools/binutils/binutils/0017-CVE-2025-1181-2.patch b/meta/recipes-devtools/binutils/binutils/0017-CVE-2025-1181-2.patch
new file mode 100644
index 0000000000..5af743582f
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/0017-CVE-2025-1181-2.patch
@@ -0,0 +1,337 @@
1From: Nick Clifton <nickc@redhat.com>
2Date: Wed, 5 Feb 2025 15:43:04 +0000
3
4Add even more checks for corrupt input when processing
5relocations for ELF files.
6
7PR 32643
8
9Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=931494c9a89558acb36a03a340c01726545eef24]
10CVE: CVE-2025-1181
11
12Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
13
14diff --git a/bfd/elflink.c b/bfd/elflink.c
15index fd423d61..91cd7c28 100644
16--- a/bfd/elflink.c
17+++ b/bfd/elflink.c
18@@ -96,15 +96,17 @@
19 return true;
20 }
21
22-struct elf_link_hash_entry *
23-_bfd_elf_get_link_hash_entry (struct elf_link_hash_entry ** sym_hashes,
24- unsigned int symndx,
25- Elf_Internal_Shdr * symtab_hdr)
26+static struct elf_link_hash_entry *
27+get_link_hash_entry (struct elf_link_hash_entry ** sym_hashes,
28+ unsigned int symndx,
29+ unsigned int ext_sym_start)
30 {
31- if (symndx < symtab_hdr->sh_info)
32+ if (sym_hashes == NULL
33+ /* Guard against corrupt input. See PR 32636 for an example. */
34+ || symndx < ext_sym_start)
35 return NULL;
36
37- struct elf_link_hash_entry *h = sym_hashes[symndx - symtab_hdr->sh_info];
38+ struct elf_link_hash_entry *h = sym_hashes[symndx - ext_sym_start];
39
40 /* The hash might be empty. See PR 32641 for an example of this. */
41 if (h == NULL)
42@@ -117,27 +119,28 @@
43 return h;
44 }
45
46-static struct elf_link_hash_entry *
47-get_ext_sym_hash (struct elf_reloc_cookie *cookie, unsigned long r_symndx)
48+struct elf_link_hash_entry *
49+_bfd_elf_get_link_hash_entry (struct elf_link_hash_entry ** sym_hashes,
50+ unsigned int symndx,
51+ Elf_Internal_Shdr * symtab_hdr)
52 {
53- struct elf_link_hash_entry *h = NULL;
54-
55- if ((r_symndx >= cookie->locsymcount
56- || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
57- /* Guard against corrupt input. See PR 32636 for an example. */
58- && r_symndx >= cookie->extsymoff)
59- {
60- h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
61+ if (symtab_hdr == NULL)
62+ return NULL;
63
64- if (h == NULL)
65- return NULL;
66+ return get_link_hash_entry (sym_hashes, symndx, symtab_hdr->sh_info);
67+}
68
69- while (h->root.type == bfd_link_hash_indirect
70- || h->root.type == bfd_link_hash_warning)
71- h = (struct elf_link_hash_entry *) h->root.u.i.link;
72- }
73+static struct elf_link_hash_entry *
74+get_ext_sym_hash_from_cookie (struct elf_reloc_cookie *cookie, unsigned long r_symndx)
75+{
76+ if (cookie == NULL || cookie->sym_hashes == NULL)
77+ return NULL;
78+
79+ if (r_symndx >= cookie->locsymcount
80+ || ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
81+ return get_link_hash_entry (cookie->sym_hashes, r_symndx, cookie->extsymoff);
82
83- return h;
84+ return NULL;
85 }
86
87 asection *
88@@ -147,7 +150,7 @@
89 {
90 struct elf_link_hash_entry *h;
91
92- h = get_ext_sym_hash (cookie, r_symndx);
93+ h = get_ext_sym_hash_from_cookie (cookie, r_symndx);
94
95 if (h != NULL)
96 {
97@@ -9105,7 +9108,6 @@
98 size_t symidx,
99 bfd_vma val)
100 {
101- struct elf_link_hash_entry **sym_hashes;
102 struct elf_link_hash_entry *h;
103 size_t extsymoff = locsymcount;
104
105@@ -9128,12 +9130,12 @@
106
107 /* It is a global symbol: set its link type
108 to "defined" and give it a value. */
109-
110- sym_hashes = elf_sym_hashes (bfd_with_globals);
111- h = sym_hashes [symidx - extsymoff];
112- while (h->root.type == bfd_link_hash_indirect
113- || h->root.type == bfd_link_hash_warning)
114- h = (struct elf_link_hash_entry *) h->root.u.i.link;
115+ h = get_link_hash_entry (elf_sym_hashes (bfd_with_globals), symidx, extsymoff);
116+ if (h == NULL)
117+ {
118+ /* FIXMEL What should we do ? */
119+ return;
120+ }
121 h->root.type = bfd_link_hash_defined;
122 h->root.u.def.value = val;
123 h->root.u.def.section = bfd_abs_section_ptr;
124@@ -11611,10 +11613,19 @@
125 || (elf_bad_symtab (input_bfd)
126 && flinfo->sections[symndx] == NULL))
127 {
128- struct elf_link_hash_entry *h = sym_hashes[symndx - extsymoff];
129- while (h->root.type == bfd_link_hash_indirect
130- || h->root.type == bfd_link_hash_warning)
131- h = (struct elf_link_hash_entry *) h->root.u.i.link;
132+ struct elf_link_hash_entry *h;
133+
134+ h = get_link_hash_entry (sym_hashes, symndx, extsymoff);
135+ if (h == NULL)
136+ {
137+ _bfd_error_handler
138+ /* xgettext:c-format */
139+ (_("error: %pB: unable to create group section symbol"),
140+ input_bfd);
141+ bfd_set_error (bfd_error_bad_value);
142+ return false;
143+ }
144+
145 /* Arrange for symbol to be output. */
146 h->indx = -2;
147 elf_section_data (osec)->this_hdr.sh_info = -2;
148@@ -11749,7 +11760,7 @@
149 || (elf_bad_symtab (input_bfd)
150 && flinfo->sections[r_symndx] == NULL))
151 {
152- h = sym_hashes[r_symndx - extsymoff];
153+ h = get_link_hash_entry (sym_hashes, r_symndx, extsymoff);
154
155 /* Badly formatted input files can contain relocs that
156 reference non-existant symbols. Check here so that
157@@ -11758,17 +11769,13 @@
158 {
159 _bfd_error_handler
160 /* xgettext:c-format */
161- (_("error: %pB contains a reloc (%#" PRIx64 ") for section %pA "
162+ (_("error: %pB contains a reloc (%#" PRIx64 ") for section '%pA' "
163 "that references a non-existent global symbol"),
164 input_bfd, (uint64_t) rel->r_info, o);
165 bfd_set_error (bfd_error_bad_value);
166 return false;
167 }
168
169- while (h->root.type == bfd_link_hash_indirect
170- || h->root.type == bfd_link_hash_warning)
171- h = (struct elf_link_hash_entry *) h->root.u.i.link;
172-
173 s_type = h->type;
174
175 /* If a plugin symbol is referenced from a non-IR file,
176@@ -11984,7 +11991,6 @@
177 && flinfo->sections[r_symndx] == NULL))
178 {
179 struct elf_link_hash_entry *rh;
180- unsigned long indx;
181
182 /* This is a reloc against a global symbol. We
183 have not yet output all the local symbols, so
184@@ -11993,15 +11999,16 @@
185 reloc to point to the global hash table entry
186 for this symbol. The symbol index is then
187 set at the end of bfd_elf_final_link. */
188- indx = r_symndx - extsymoff;
189- rh = elf_sym_hashes (input_bfd)[indx];
190- while (rh->root.type == bfd_link_hash_indirect
191- || rh->root.type == bfd_link_hash_warning)
192- rh = (struct elf_link_hash_entry *) rh->root.u.i.link;
193-
194- /* Setting the index to -2 tells
195- elf_link_output_extsym that this symbol is
196- used by a reloc. */
197+ rh = get_link_hash_entry (elf_sym_hashes (input_bfd),
198+ r_symndx, extsymoff);
199+ if (rh == NULL)
200+ {
201+ /* FIXME: Generate an error ? */
202+ continue;
203+ }
204+
205+ /* Setting the index to -2 tells elf_link_output_extsym
206+ that this symbol is used by a reloc. */
207 BFD_ASSERT (rh->indx < 0);
208 rh->indx = -2;
209 *rel_hash = rh;
210@@ -13965,25 +13972,21 @@
211 struct elf_link_hash_entry *h,
212 Elf_Internal_Sym *sym)
213 {
214- if (h != NULL)
215+ if (h == NULL)
216+ return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
217+
218+ switch (h->root.type)
219 {
220- switch (h->root.type)
221- {
222- case bfd_link_hash_defined:
223- case bfd_link_hash_defweak:
224- return h->root.u.def.section;
225+ case bfd_link_hash_defined:
226+ case bfd_link_hash_defweak:
227+ return h->root.u.def.section;
228
229- case bfd_link_hash_common:
230- return h->root.u.c.p->section;
231+ case bfd_link_hash_common:
232+ return h->root.u.c.p->section;
233
234- default:
235- break;
236- }
237+ default:
238+ return NULL;
239 }
240- else
241- return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
242-
243- return NULL;
244 }
245
246 /* Return the debug definition section. */
247@@ -14032,46 +14035,49 @@
248 if (r_symndx == STN_UNDEF)
249 return NULL;
250
251- h = get_ext_sym_hash (cookie, r_symndx);
252+ h = get_ext_sym_hash_from_cookie (cookie, r_symndx);
253+ if (h == NULL)
254+ {
255+ /* A corrup tinput file can lead to a situation where the index
256+ does not reference either a local or an external symbol. */
257+ if (r_symndx >= cookie->locsymcount)
258+ return NULL;
259
260- if (h != NULL)
261+ return (*gc_mark_hook) (sec, info, cookie->rel, NULL,
262+ &cookie->locsyms[r_symndx]);
263+ }
264+
265+ bool was_marked = h->mark;
266+
267+ h->mark = 1;
268+ /* Keep all aliases of the symbol too. If an object symbol
269+ needs to be copied into .dynbss then all of its aliases
270+ should be present as dynamic symbols, not just the one used
271+ on the copy relocation. */
272+ hw = h;
273+ while (hw->is_weakalias)
274 {
275- bool was_marked;
276+ hw = hw->u.alias;
277+ hw->mark = 1;
278+ }
279
280- was_marked = h->mark;
281- h->mark = 1;
282- /* Keep all aliases of the symbol too. If an object symbol
283- needs to be copied into .dynbss then all of its aliases
284- should be present as dynamic symbols, not just the one used
285- on the copy relocation. */
286- hw = h;
287- while (hw->is_weakalias)
288- {
289- hw = hw->u.alias;
290- hw->mark = 1;
291- }
292+ if (!was_marked && h->start_stop && !h->root.ldscript_def)
293+ {
294+ if (info->start_stop_gc)
295+ return NULL;
296
297- if (!was_marked && h->start_stop && !h->root.ldscript_def)
298+ /* To work around a glibc bug, mark XXX input sections
299+ when there is a reference to __start_XXX or __stop_XXX
300+ symbols. */
301+ else if (start_stop != NULL)
302 {
303- if (info->start_stop_gc)
304- return NULL;
305-
306- /* To work around a glibc bug, mark XXX input sections
307- when there is a reference to __start_XXX or __stop_XXX
308- symbols. */
309- else if (start_stop != NULL)
310- {
311- asection *s = h->u2.start_stop_section;
312- *start_stop = true;
313- return s;
314- }
315+ asection *s = h->u2.start_stop_section;
316+ *start_stop = true;
317+ return s;
318 }
319-
320- return (*gc_mark_hook) (sec, info, cookie->rel, h, NULL);
321 }
322
323- return (*gc_mark_hook) (sec, info, cookie->rel, NULL,
324- &cookie->locsyms[r_symndx]);
325+ return (*gc_mark_hook) (sec, info, cookie->rel, h, NULL);
326 }
327
328 /* COOKIE->rel describes a relocation against section SEC, which is
329@@ -15094,7 +15100,7 @@
330
331 struct elf_link_hash_entry *h;
332
333- h = get_ext_sym_hash (rcookie, r_symndx);
334+ h = get_ext_sym_hash_from_cookie (rcookie, r_symndx);
335
336 if (h != NULL)
337 {
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2026-01-08 17:35:20 +0000