Unchecked kstrdup_const in get_vdev_port_node_info can lead to NULL pointer dereference and system crash

Unchecked kstrdup_const in get_vdev_port_node_info can lead to NULL pointer dereference and system crash

CVE-2019-12615 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

An issue was discovered in get_vdev_port_node_info in arch/sparc/kernel/mdesc.c in the Linux kernel through 5.1.6. There is an unchecked kstrdup_const of node_info->vdev_port.name, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash).

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