The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel through 4.14.15 allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.
https://www.debian.org/security/2018/dsa-4187
https://www.debian.org/security/2018/dsa-4120
https://usn.ubuntu.com/3698-2/
https://usn.ubuntu.com/3698-1/
https://usn.ubuntu.com/3697-2/
https://usn.ubuntu.com/3697-1/
https://usn.ubuntu.com/3631-2/
https://usn.ubuntu.com/3631-1/
https://patchwork.kernel.org/patch/10174835/
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:1062