SUSE Security Update: Security update for the Linux Kernel (Live Patch 28 for SLE 12) ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:3307-1 Rating: important References: #1064388 #1064392 #1069708 Cross-References: CVE-2017-15649 CVE-2017-16939 Affected Products: SUSE Linux Enterprise Server 12-LTSS ______________________________________________________________________________ An update that solves two vulnerabilities and has one errata is now available. Description: 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). Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 12-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-2017-2061=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE Linux Enterprise Server 12-LTSS (x86_64): kgraft-patch-3_12_61-52_101-default-2-2.1 kgraft-patch-3_12_61-52_101-xen-2-2.1 References: https://www.suse.com/security/cve/CVE-2017-15649.html https://www.suse.com/security/cve/CVE-2017-16939.html https://bugzilla.suse.com/1064388 https://bugzilla.suse.com/1064392 https://bugzilla.suse.com/1069708 -- To unsubscribe, e-mail: opensuse-security-announce+unsubscribe@opensuse.org For additional commands, e-mail: opensuse-security-announce+help@opensuse.org