diff options
author | Thiruvadi Rajaraman <trajaraman@mvista.com> | 2017-09-20 13:22:09 +0530 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-01-07 17:10:08 +0000 |
commit | 226c2fd1f720da30abf906179c64061e9f121dfc (patch) | |
tree | d2233a3df2b98689fae0eeafa491db14d41ba6e1 /meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch | |
parent | fdee751f82a4299b0ac0bdc42708f6253e950505 (diff) | |
download | poky-226c2fd1f720da30abf906179c64061e9f121dfc.tar.gz |
binutils: CVE-2017-8394
Source: git://sourceware.org/git/binutils-gdb.git
MR: 74166
Type: Security Fix
Disposition: Backport from binutils-2_29
ChangeID: d614742d33a55da6cafede60cd171766afb0aa1d
Description:
PR 21414, null pointer deref of _bfd_elf_large_com_section sym
PR 21414
* section.c (GLOBAL_SYM_INIT): Make available in bfd.h.
* elf.c (lcomm_sym): New.
(_bfd_elf_large_com_section): Use lcomm_sym section symbol.
* bfd-in2.h: Regenerate.
Affects: <= 2.29
Author: Alan Modra <amodra@gmail.com>
(From OE-Core rev: 0d6e08ffc4760947653ad9368d594074d506f697)
Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com>
Reviewed-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch')
-rw-r--r-- | meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch new file mode 100644 index 0000000000..14ee1910f4 --- /dev/null +++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-8394.patch | |||
@@ -0,0 +1,114 @@ | |||
1 | commit 7eacd66b086cabb1daab20890d5481894d4f56b2 | ||
2 | Author: Alan Modra <amodra@gmail.com> | ||
3 | Date: Sun Apr 23 15:21:11 2017 +0930 | ||
4 | |||
5 | PR 21414, null pointer deref of _bfd_elf_large_com_section sym | ||
6 | |||
7 | PR 21414 | ||
8 | * section.c (GLOBAL_SYM_INIT): Make available in bfd.h. | ||
9 | * elf.c (lcomm_sym): New. | ||
10 | (_bfd_elf_large_com_section): Use lcomm_sym section symbol. | ||
11 | * bfd-in2.h: Regenerate. | ||
12 | |||
13 | Upstream-Status: Backport | ||
14 | |||
15 | CVE: CVE-2017-8394 | ||
16 | Signed-off-by: Thiruvadi Rajaraman <trajaraman@mvista.com> | ||
17 | |||
18 | Index: git/bfd/bfd-in2.h | ||
19 | =================================================================== | ||
20 | --- git.orig/bfd/bfd-in2.h 2017-09-20 12:54:44.847475928 +0530 | ||
21 | +++ git/bfd/bfd-in2.h 2017-09-20 12:54:44.903476171 +0530 | ||
22 | @@ -1805,6 +1805,18 @@ | ||
23 | { NULL }, { NULL } \ | ||
24 | } | ||
25 | |||
26 | +/* We use a macro to initialize the static asymbol structures because | ||
27 | + traditional C does not permit us to initialize a union member while | ||
28 | + gcc warns if we don't initialize it. | ||
29 | + the_bfd, name, value, attr, section [, udata] */ | ||
30 | +#ifdef __STDC__ | ||
31 | +#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
32 | + { 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }} | ||
33 | +#else | ||
34 | +#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
35 | + { 0, NAME, 0, BSF_SECTION_SYM, SECTION } | ||
36 | +#endif | ||
37 | + | ||
38 | void bfd_section_list_clear (bfd *); | ||
39 | |||
40 | asection *bfd_get_section_by_name (bfd *abfd, const char *name); | ||
41 | Index: git/bfd/section.c | ||
42 | =================================================================== | ||
43 | --- git.orig/bfd/section.c 2017-09-20 12:54:44.847475928 +0530 | ||
44 | +++ git/bfd/section.c 2017-09-20 12:54:44.903476171 +0530 | ||
45 | @@ -738,20 +738,20 @@ | ||
46 | . { NULL }, { NULL } \ | ||
47 | . } | ||
48 | . | ||
49 | +.{* We use a macro to initialize the static asymbol structures because | ||
50 | +. traditional C does not permit us to initialize a union member while | ||
51 | +. gcc warns if we don't initialize it. | ||
52 | +. the_bfd, name, value, attr, section [, udata] *} | ||
53 | +.#ifdef __STDC__ | ||
54 | +.#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
55 | +. { 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }} | ||
56 | +.#else | ||
57 | +.#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
58 | +. { 0, NAME, 0, BSF_SECTION_SYM, SECTION } | ||
59 | +.#endif | ||
60 | +. | ||
61 | */ | ||
62 | |||
63 | -/* We use a macro to initialize the static asymbol structures because | ||
64 | - traditional C does not permit us to initialize a union member while | ||
65 | - gcc warns if we don't initialize it. */ | ||
66 | - /* the_bfd, name, value, attr, section [, udata] */ | ||
67 | -#ifdef __STDC__ | ||
68 | -#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
69 | - { 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }} | ||
70 | -#else | ||
71 | -#define GLOBAL_SYM_INIT(NAME, SECTION) \ | ||
72 | - { 0, NAME, 0, BSF_SECTION_SYM, SECTION } | ||
73 | -#endif | ||
74 | - | ||
75 | /* These symbols are global, not specific to any BFD. Therefore, anything | ||
76 | that tries to change them is broken, and should be repaired. */ | ||
77 | |||
78 | Index: git/bfd/ChangeLog | ||
79 | =================================================================== | ||
80 | --- git.orig/bfd/ChangeLog 2017-09-20 12:54:44.735475444 +0530 | ||
81 | +++ git/bfd/ChangeLog 2017-09-20 12:54:44.903476171 +0530 | ||
82 | @@ -102,6 +102,14 @@ | ||
83 | * readelf.c (process_mips_specific): Remove null GOT data check. | ||
84 | |||
85 | 2017-04-23 Alan Modra <amodra@gmail.com> | ||
86 | + | ||
87 | + PR 21414 | ||
88 | + * section.c (GLOBAL_SYM_INIT): Make available in bfd.h. | ||
89 | + * elf.c (lcomm_sym): New. | ||
90 | + (_bfd_elf_large_com_section): Use lcomm_sym section symbol. | ||
91 | + * bfd-in2.h: Regenerate. | ||
92 | + | ||
93 | +2017-04-23 Alan Modra <amodra@gmail.com> | ||
94 | |||
95 | PR 21412 | ||
96 | * elf-bfd.h (struct elf_backend_data <get_reloc_section>): Change | ||
97 | Index: git/bfd/elf.c | ||
98 | =================================================================== | ||
99 | --- git.orig/bfd/elf.c 2017-09-20 12:54:44.847475928 +0530 | ||
100 | +++ git/bfd/elf.c 2017-09-20 13:00:22.636091768 +0530 | ||
101 | @@ -10986,9 +10986,11 @@ | ||
102 | |||
103 | /* It is only used by x86-64 so far. | ||
104 | ??? This repeats *COM* id of zero. sec->id is supposed to be unique, | ||
105 | - but current usage would allow all of _bfd_std_section to be zero. t*/ | ||
106 | + but current usage would allow all of _bfd_std_section to be zero. */ | ||
107 | +static const asymbol lcomm_sym | ||
108 | + = GLOBAL_SYM_INIT ("LARGE_COMMON", &_bfd_elf_large_com_section); | ||
109 | asection _bfd_elf_large_com_section | ||
110 | - = BFD_FAKE_SECTION (_bfd_elf_large_com_section, NULL, | ||
111 | + = BFD_FAKE_SECTION (_bfd_elf_large_com_section, &lcomm_sym, | ||
112 | "LARGE_COMMON", 0, SEC_IS_COMMON); | ||
113 | |||
114 | void | ||