In sk_clone_lock of sock.c, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-113509306. References: Upstream kernel.
https://usn.ubuntu.com/3880-2/
https://usn.ubuntu.com/3880-1/
https://source.android.com/security/bulletin/2018-12-01
https://access.redhat.com/errata/RHSA-2019:4255
https://access.redhat.com/errata/RHSA-2019:4164
https://access.redhat.com/errata/RHSA-2019:4159
https://access.redhat.com/errata/RHSA-2019:4056
https://access.redhat.com/errata/RHSA-2019:3967
https://access.redhat.com/errata/RHSA-2019:2736
https://access.redhat.com/errata/RHSA-2019:2730
https://access.redhat.com/errata/RHSA-2019:2696