Security update for the Linux Kernel (important)

The SUSE Linux Enterprise 12 SP2 kernel was updated to 4.4.74 to receive
various security and bugfixes.

The following security bugs were fixed:

• CVE-2017-1000111: fix race condition in net-packet code that could be
  exploited to cause out-of-bounds memory access (bsc#1052365).
• CVE-2017-1000112: fix race condition in net-packet code that could have
  been exploited by unprivileged users to gain root access. (bsc#1052311).

The following non-security bugs were fixed:

• powerpc/numa: fix regression that could cause kernel panics during
  installation (bsc#1048914).
• bcache: force trigger gc (bsc#1038078).
• bcache: only recovery I/O error for writethrough mode (bsc#1043652).