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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"binary_name": "linux-image-unsigned-4.15.0-1001-gcp-fips",
"binary_version": "4.15.0-1001.1"
},
{
"binary_name": "linux-image-unsigned-hmac-4.15.0-1001-gcp-fips",
"binary_version": "4.15.0-1001.1"
},
{
"binary_name": "linux-modules-4.15.0-1001-gcp-fips",
"binary_version": "4.15.0-1001.1"
},
{
"binary_name": "linux-modules-extra-4.15.0-1001-gcp-fips",
"binary_version": "4.15.0-1001.1"
},
{
"binary_name": "linux-tools-4.15.0-1001-gcp-fips",
"binary_version": "4.15.0-1001.1"
}
],
"priority_reason": "The vulnerability depends on a hypervisor-initiated machine description update event that a local attacker can neither invoke nor influence, making it not reliably triggerable."
}