diff options
Diffstat (limited to 'meta/recipes-connectivity/openssl/openssl/openssl-avoid-NULL-pointer-dereference-in-EVP_DigestInit_ex.patch')
-rw-r--r-- | meta/recipes-connectivity/openssl/openssl/openssl-avoid-NULL-pointer-dereference-in-EVP_DigestInit_ex.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/openssl/openssl/openssl-avoid-NULL-pointer-dereference-in-EVP_DigestInit_ex.patch b/meta/recipes-connectivity/openssl/openssl/openssl-avoid-NULL-pointer-dereference-in-EVP_DigestInit_ex.patch new file mode 100644 index 0000000000..c161e62f62 --- /dev/null +++ b/meta/recipes-connectivity/openssl/openssl/openssl-avoid-NULL-pointer-dereference-in-EVP_DigestInit_ex.patch | |||
@@ -0,0 +1,21 @@ | |||
1 | openssl: avoid NULL pointer dereference in EVP_DigestInit_ex() | ||
2 | |||
3 | We should avoid accessing the type pointer if it's NULL, | ||
4 | this could happen if ctx->digest is not NULL. | ||
5 | |||
6 | Upstream-Status: Submitted | ||
7 | http://www.mail-archive.com/openssl-dev@openssl.org/msg32860.html | ||
8 | |||
9 | Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com> | ||
10 | --- | ||
11 | --- a/crypto/evp/digest.c | ||
12 | +++ b/crypto/evp/digest.c | ||
13 | @@ -199,7 +199,7 @@ | ||
14 | return 0; | ||
15 | } | ||
16 | #endif | ||
17 | - if (ctx->digest != type) | ||
18 | + if (type && (ctx->digest != type)) | ||
19 | { | ||
20 | if (ctx->digest && ctx->digest->ctx_size) | ||
21 | OPENSSL_free(ctx->md_data); | ||