Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 31e6ec45 authored by Artem Savkov's avatar Artem Savkov Committed by James Morris
Browse files

security/keys: make BIG_KEYS dependent on stdrng. 



Since BIG_KEYS can't be compiled as module it requires one of the "stdrng"
providers to be compiled into kernel. Otherwise big_key_crypto_init() fails
on crypto_alloc_rng step and next dereference of big_key_skcipher (e.g. in
big_key_preparse()) results in a NULL pointer dereference.

Fixes: 13100a72 ('Security: Keys: Big keys stored encrypted')
Signed-off-by: default avatarArtem Savkov <asavkov@redhat.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
cc: Stephan Mueller <smueller@chronox.de>
cc: Kirill Marinushkin <k.marinushkin@gmail.com>
cc: stable@vger.kernel.org
Signed-off-by: default avatarJames Morris <james.l.morris@oracle.com>
parent 7df3e59c

security/keys/Kconfig

+1 −1
Original line number Original line Diff line number Diff line
@@ -41,7 +41,7 @@ config BIG_KEYS 
	bool "Large payload keys"

	bool "Large payload keys"

	depends on KEYS

	depends on KEYS

	depends on TMPFS

	depends on TMPFS

	select CRYPTO

	depends on (CRYPTO_ANSI_CPRNG = y || CRYPTO_DRBG = y)

	select CRYPTO_AES

	select CRYPTO_AES

	select CRYPTO_ECB

	select CRYPTO_ECB

	select CRYPTO_RNG

	select CRYPTO_RNG