The vulnerability of the zcrypt_card_unregister() function in the drivers/s390/crypto/zcrypt_card.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the zcryptcardunregister function in the drivers/s390/crypto/zcryptcard.c module of the Linux operating system is related to improper memory release before deleting the last reference a “memory leak”. Exploiting this vulnerability could allow a attacker to cause a service...