diff options
Diffstat (limited to 'meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630_1b.patch')
-rw-r--r-- | meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630_1b.patch | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630_1b.patch b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630_1b.patch new file mode 100644 index 0000000000..e03bda05e4 --- /dev/null +++ b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630_1b.patch | |||
@@ -0,0 +1,197 @@ | |||
1 | From d362549bce92ac22860cda8cad4532c1a3fe6928 Mon Sep 17 00:00:00 2001 | ||
2 | From: Jean Delvare <jdelvare@suse.de> | ||
3 | Date: Mon, 20 Feb 2023 14:53:25 +0100 | ||
4 | Subject: [PATCH 2/5] dmidecode: Write the whole dump file at once | ||
5 | |||
6 | When option --dump-bin is used, write the whole dump file at once, | ||
7 | instead of opening and closing the file separately for the table | ||
8 | and then for the entry point. | ||
9 | |||
10 | As the file writing function is no longer generic, it gets moved | ||
11 | from util.c to dmidecode.c. | ||
12 | |||
13 | One minor functional change resulting from the new implementation is | ||
14 | that the entry point is written first now, so the messages printed | ||
15 | are swapped. | ||
16 | |||
17 | Signed-off-by: Jean Delvare <jdelvare@suse.de> | ||
18 | Reviewed-by: Jerry Hoemann <jerry.hoemann@hpe.com> | ||
19 | |||
20 | CVE: CVE-2023-30630 | ||
21 | |||
22 | Upstream-Status: Backport [https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=d8cfbc808f387e87091c25e7d5b8c2bb348bb206] | ||
23 | |||
24 | Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com> | ||
25 | --- | ||
26 | dmidecode.c | 69 +++++++++++++++++++++++++++++++++++++++-------------- | ||
27 | util.c | 40 ------------------------------- | ||
28 | util.h | 1 - | ||
29 | 3 files changed, 51 insertions(+), 59 deletions(-) | ||
30 | |||
31 | diff --git a/dmidecode.c b/dmidecode.c | ||
32 | index b082c03..a80a140 100644 | ||
33 | --- a/dmidecode.c | ||
34 | +++ b/dmidecode.c | ||
35 | @@ -5130,11 +5130,56 @@ static void dmi_table_string(const struct dmi_header *h, const u8 *data, u16 ver | ||
36 | } | ||
37 | } | ||
38 | |||
39 | -static void dmi_table_dump(const u8 *buf, u32 len) | ||
40 | +static int dmi_table_dump(const u8 *ep, u32 ep_len, const u8 *table, | ||
41 | + u32 table_len) | ||
42 | { | ||
43 | + FILE *f; | ||
44 | + | ||
45 | + f = fopen(opt.dumpfile, "wb"); | ||
46 | + if (!f) | ||
47 | + { | ||
48 | + fprintf(stderr, "%s: ", opt.dumpfile); | ||
49 | + perror("fopen"); | ||
50 | + return -1; | ||
51 | + } | ||
52 | + | ||
53 | + if (!(opt.flags & FLAG_QUIET)) | ||
54 | + pr_comment("Writing %d bytes to %s.", ep_len, opt.dumpfile); | ||
55 | + if (fwrite(ep, ep_len, 1, f) != 1) | ||
56 | + { | ||
57 | + fprintf(stderr, "%s: ", opt.dumpfile); | ||
58 | + perror("fwrite"); | ||
59 | + goto err_close; | ||
60 | + } | ||
61 | + | ||
62 | + if (fseek(f, 32, SEEK_SET) != 0) | ||
63 | + { | ||
64 | + fprintf(stderr, "%s: ", opt.dumpfile); | ||
65 | + perror("fseek"); | ||
66 | + goto err_close; | ||
67 | + } | ||
68 | + | ||
69 | if (!(opt.flags & FLAG_QUIET)) | ||
70 | - pr_comment("Writing %d bytes to %s.", len, opt.dumpfile); | ||
71 | - write_dump(32, len, buf, opt.dumpfile, 0); | ||
72 | + pr_comment("Writing %d bytes to %s.", table_len, opt.dumpfile); | ||
73 | + if (fwrite(table, table_len, 1, f) != 1) | ||
74 | + { | ||
75 | + fprintf(stderr, "%s: ", opt.dumpfile); | ||
76 | + perror("fwrite"); | ||
77 | + goto err_close; | ||
78 | + } | ||
79 | + | ||
80 | + if (fclose(f)) | ||
81 | + { | ||
82 | + fprintf(stderr, "%s: ", opt.dumpfile); | ||
83 | + perror("fclose"); | ||
84 | + return -1; | ||
85 | + } | ||
86 | + | ||
87 | + return 0; | ||
88 | + | ||
89 | +err_close: | ||
90 | + fclose(f); | ||
91 | + return -1; | ||
92 | } | ||
93 | |||
94 | static void dmi_table_decode(u8 *buf, u32 len, u16 num, u16 ver, u32 flags) | ||
95 | @@ -5387,11 +5432,7 @@ static int smbios3_decode(u8 *buf, const char *devmem, u32 flags) | ||
96 | memcpy(crafted, buf, 32); | ||
97 | overwrite_smbios3_address(crafted); | ||
98 | |||
99 | - dmi_table_dump(table, len); | ||
100 | - if (!(opt.flags & FLAG_QUIET)) | ||
101 | - pr_comment("Writing %d bytes to %s.", crafted[0x06], | ||
102 | - opt.dumpfile); | ||
103 | - write_dump(0, crafted[0x06], crafted, opt.dumpfile, 1); | ||
104 | + dmi_table_dump(crafted, crafted[0x06], table, len); | ||
105 | } | ||
106 | else | ||
107 | { | ||
108 | @@ -5463,11 +5504,7 @@ static int smbios_decode(u8 *buf, const char *devmem, u32 flags) | ||
109 | memcpy(crafted, buf, 32); | ||
110 | overwrite_dmi_address(crafted + 0x10); | ||
111 | |||
112 | - dmi_table_dump(table, len); | ||
113 | - if (!(opt.flags & FLAG_QUIET)) | ||
114 | - pr_comment("Writing %d bytes to %s.", crafted[0x05], | ||
115 | - opt.dumpfile); | ||
116 | - write_dump(0, crafted[0x05], crafted, opt.dumpfile, 1); | ||
117 | + dmi_table_dump(crafted, crafted[0x05], table, len); | ||
118 | } | ||
119 | else | ||
120 | { | ||
121 | @@ -5508,11 +5545,7 @@ static int legacy_decode(u8 *buf, const char *devmem, u32 flags) | ||
122 | memcpy(crafted, buf, 16); | ||
123 | overwrite_dmi_address(crafted); | ||
124 | |||
125 | - dmi_table_dump(table, len); | ||
126 | - if (!(opt.flags & FLAG_QUIET)) | ||
127 | - pr_comment("Writing %d bytes to %s.", 0x0F, | ||
128 | - opt.dumpfile); | ||
129 | - write_dump(0, 0x0F, crafted, opt.dumpfile, 1); | ||
130 | + dmi_table_dump(crafted, 0x0F, table, len); | ||
131 | } | ||
132 | else | ||
133 | { | ||
134 | diff --git a/util.c b/util.c | ||
135 | index 04aaadd..1547096 100644 | ||
136 | --- a/util.c | ||
137 | +++ b/util.c | ||
138 | @@ -259,46 +259,6 @@ out: | ||
139 | return p; | ||
140 | } | ||
141 | |||
142 | -int write_dump(size_t base, size_t len, const void *data, const char *dumpfile, int add) | ||
143 | -{ | ||
144 | - FILE *f; | ||
145 | - | ||
146 | - f = fopen(dumpfile, add ? "r+b" : "wb"); | ||
147 | - if (!f) | ||
148 | - { | ||
149 | - fprintf(stderr, "%s: ", dumpfile); | ||
150 | - perror("fopen"); | ||
151 | - return -1; | ||
152 | - } | ||
153 | - | ||
154 | - if (fseek(f, base, SEEK_SET) != 0) | ||
155 | - { | ||
156 | - fprintf(stderr, "%s: ", dumpfile); | ||
157 | - perror("fseek"); | ||
158 | - goto err_close; | ||
159 | - } | ||
160 | - | ||
161 | - if (fwrite(data, len, 1, f) != 1) | ||
162 | - { | ||
163 | - fprintf(stderr, "%s: ", dumpfile); | ||
164 | - perror("fwrite"); | ||
165 | - goto err_close; | ||
166 | - } | ||
167 | - | ||
168 | - if (fclose(f)) | ||
169 | - { | ||
170 | - fprintf(stderr, "%s: ", dumpfile); | ||
171 | - perror("fclose"); | ||
172 | - return -1; | ||
173 | - } | ||
174 | - | ||
175 | - return 0; | ||
176 | - | ||
177 | -err_close: | ||
178 | - fclose(f); | ||
179 | - return -1; | ||
180 | -} | ||
181 | - | ||
182 | /* Returns end - start + 1, assuming start < end */ | ||
183 | u64 u64_range(u64 start, u64 end) | ||
184 | { | ||
185 | diff --git a/util.h b/util.h | ||
186 | index 3094cf8..ef24eb9 100644 | ||
187 | --- a/util.h | ||
188 | +++ b/util.h | ||
189 | @@ -27,5 +27,4 @@ | ||
190 | int checksum(const u8 *buf, size_t len); | ||
191 | void *read_file(off_t base, size_t *len, const char *filename); | ||
192 | void *mem_chunk(off_t base, size_t len, const char *devmem); | ||
193 | -int write_dump(size_t base, size_t len, const void *data, const char *dumpfile, int add); | ||
194 | u64 u64_range(u64 start, u64 end); | ||
195 | -- | ||
196 | 2.41.0 | ||
197 | |||