Files
linux/crypto/asymmetric_keys/pkcs7_parser.c
Eric Sesterhenn 1c33c8f8a7 pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
commit 68a1fdbbf8 upstream.

The ASN.1 parser does not necessarily set the sinfo field,
this patch prevents a NULL pointer dereference on broken
input.

Fixes: 99db443506 ("PKCS#7: Appropriately restrict authenticated attributes and content type")
Signed-off-by: Eric Sesterhenn <eric.sesterhenn@x41-dsec.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-27 10:38:08 +02:00

16 KiB