SUSE-SU-2017:3307-1

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SUSE-SU-2017:3307-1

Summary: Security update for the Linux Kernel (Live Patch 28 for SLE 12)

Details: This update for the Linux Kernel 3.12.61-52_101 fixes several issues. The following security issues were fixed: - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bsc#1069708). - CVE-2017-15649: net/packet/af_packet.c allowed local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free (bsc#1064392).

References: https://www.suse.com/support/update/announcement/2017/suse-su-20173307-1/, https://bugzilla.suse.com/1064388, https://bugzilla.suse.com/1064392, https://bugzilla.suse.com/1069708, https://www.suse.com/security/cve/CVE-2017-15649, https://www.suse.com/security/cve/CVE-2017-16939