diff options
Diffstat (limited to 'meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630-dependent_p2.patch')
| -rw-r--r-- | meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630-dependent_p2.patch | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630-dependent_p2.patch b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630-dependent_p2.patch new file mode 100644 index 0000000000..353c2553f5 --- /dev/null +++ b/meta/recipes-devtools/dmidecode/dmidecode/CVE-2023-30630-dependent_p2.patch @@ -0,0 +1,198 @@ +From 58e8a07b1aef0e53af1642b30248255e53e42790 Mon Sep 17 00:00:00 2001 +From: Jean Delvare <jdelvare@suse.de> +Date: Mon, 20 Feb 2023 14:53:25 +0100 +Subject: [PATCH] dmidecode: Write the whole dump file at once + +When option --dump-bin is used, write the whole dump file at once, +instead of opening and closing the file separately for the table +and then for the entry point. + +As the file writing function is no longer generic, it gets moved +from util.c to dmidecode.c. + +One minor functional change resulting from the new implementation is +that the entry point is written first now, so the messages printed +are swapped. + +CVE: CVE-2023-30630 +Upstream-Status: Backport [https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=d8cfbc808f38] + +Backport Changes: +- In the file dmidecode.c, the commit [2241f1d] in v3.3 introduces + pr_info(). This is backported to printf() as per v3.2. + +Signed-off-by: Jean Delvare <jdelvare@suse.de> +Reviewed-by: Jerry Hoemann <jerry.hoemann@hpe.com> +(cherry picked from commit d8cfbc808f387e87091c25e7d5b8c2bb348bb206) +Signed-off-by: Dhairya Nagodra <dnagodra@cisco.com> + +--- + dmidecode.c | 69 +++++++++++++++++++++++++++++++++++++++-------------- + util.c | 40 ------------------------------- + util.h | 1 - + 3 files changed, 51 insertions(+), 59 deletions(-) + +diff --git a/dmidecode.c b/dmidecode.c +index d6eedd1..b91e53b 100644 +--- a/dmidecode.c ++++ b/dmidecode.c +@@ -5094,11 +5094,56 @@ static void dmi_table_string(const struct dmi_header *h, const u8 *data, u16 ver + } + } + +-static void dmi_table_dump(const u8 *buf, u32 len) ++static int dmi_table_dump(const u8 *ep, u32 ep_len, const u8 *table, ++ u32 table_len) + { ++ FILE *f; ++ ++ f = fopen(opt.dumpfile, "wb"); ++ if (!f) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("fopen"); ++ return -1; ++ } ++ ++ if (!(opt.flags & FLAG_QUIET)) ++ printf("# Writing %d bytes to %s.\n", ep_len, opt.dumpfile); ++ if (fwrite(ep, ep_len, 1, f) != 1) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("fwrite"); ++ goto err_close; ++ } ++ ++ if (fseek(f, 32, SEEK_SET) != 0) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("fseek"); ++ goto err_close; ++ } ++ + if (!(opt.flags & FLAG_QUIET)) +- printf("# Writing %d bytes to %s.\n", len, opt.dumpfile); +- write_dump(32, len, buf, opt.dumpfile, 0); ++ printf("# Writing %d bytes to %s.\n", table_len, opt.dumpfile); ++ if (fwrite(table, table_len, 1, f) != 1) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("fwrite"); ++ goto err_close; ++ } ++ ++ if (fclose(f)) ++ { ++ fprintf(stderr, "%s: ", opt.dumpfile); ++ perror("fclose"); ++ return -1; ++ } ++ ++ return 0; ++ ++err_close: ++ fclose(f); ++ return -1; + } + + static void dmi_table_decode(u8 *buf, u32 len, u16 num, u16 ver, u32 flags) +@@ -5351,11 +5396,7 @@ static int smbios3_decode(u8 *buf, const char *devmem, u32 flags) + memcpy(crafted, buf, 32); + overwrite_smbios3_address(crafted); + +- dmi_table_dump(table, len); +- if (!(opt.flags & FLAG_QUIET)) +- printf("# Writing %d bytes to %s.\n", crafted[0x06], +- opt.dumpfile); +- write_dump(0, crafted[0x06], crafted, opt.dumpfile, 1); ++ dmi_table_dump(crafted, crafted[0x06], table, len); + } + else + { +@@ -5427,11 +5468,7 @@ static int smbios_decode(u8 *buf, const char *devmem, u32 flags) + memcpy(crafted, buf, 32); + overwrite_dmi_address(crafted + 0x10); + +- dmi_table_dump(table, len); +- if (!(opt.flags & FLAG_QUIET)) +- printf("# Writing %d bytes to %s.\n", crafted[0x05], +- opt.dumpfile); +- write_dump(0, crafted[0x05], crafted, opt.dumpfile, 1); ++ dmi_table_dump(crafted, crafted[0x05], table, len); + } + else + { +@@ -5472,11 +5509,7 @@ static int legacy_decode(u8 *buf, const char *devmem, u32 flags) + memcpy(crafted, buf, 16); + overwrite_dmi_address(crafted); + +- dmi_table_dump(table, len); +- if (!(opt.flags & FLAG_QUIET)) +- printf("# Writing %d bytes to %s.\n", 0x0F, +- opt.dumpfile); +- write_dump(0, 0x0F, crafted, opt.dumpfile, 1); ++ dmi_table_dump(crafted, 0x0F, table, len); + } + else + { +diff --git a/util.c b/util.c +index eeffdae..2e1931c 100644 +--- a/util.c ++++ b/util.c +@@ -247,46 +247,6 @@ out: + return p; + } + +-int write_dump(size_t base, size_t len, const void *data, const char *dumpfile, int add) +-{ +- FILE *f; +- +- f = fopen(dumpfile, add ? "r+b" : "wb"); +- if (!f) +- { +- fprintf(stderr, "%s: ", dumpfile); +- perror("fopen"); +- return -1; +- } +- +- if (fseek(f, base, SEEK_SET) != 0) +- { +- fprintf(stderr, "%s: ", dumpfile); +- perror("fseek"); +- goto err_close; +- } +- +- if (fwrite(data, len, 1, f) != 1) +- { +- fprintf(stderr, "%s: ", dumpfile); +- perror("fwrite"); +- goto err_close; +- } +- +- if (fclose(f)) +- { +- fprintf(stderr, "%s: ", dumpfile); +- perror("fclose"); +- return -1; +- } +- +- return 0; +- +-err_close: +- fclose(f); +- return -1; +-} +- + /* Returns end - start + 1, assuming start < end */ + u64 u64_range(u64 start, u64 end) + { +diff --git a/util.h b/util.h +index 3094cf8..ef24eb9 100644 +--- a/util.h ++++ b/util.h +@@ -27,5 +27,4 @@ + int checksum(const u8 *buf, size_t len); + void *read_file(off_t base, size_t *len, const char *filename); + void *mem_chunk(off_t base, size_t len, const char *devmem); +-int write_dump(size_t base, size_t len, const void *data, const char *dumpfile, int add); + u64 u64_range(u64 start, u64 end); |