SUSE-SU-2017:3288-1: important: Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP2)

sle-updates at lists.suse.com sle-updates at lists.suse.com
Thu Dec 14 07:11:39 MST 2017


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP2)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:3288-1
Rating:             important
References:         #1053153 #1055567 #1062847 #1069708 
Cross-References:   CVE-2017-10661 CVE-2017-16939
Affected Products:
                    SUSE Linux Enterprise Live Patching 12
______________________________________________________________________________

   An update that solves two vulnerabilities and has two fixes
   is now available.

Description:

   This update for the Linux Kernel 4.4.38-93 fixes several issues.

   The following security issues were fixed:

   - CVE-2017-16939: The XFRM dump policy implementation in
     net/xfrm/xfrm_user.c kernel 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-2017-10661: Race condition in fs/timerfd.c allowed local users to
     gain privileges or cause a denial of service (list corruption or
     use-after-free) via simultaneous file-descriptor operations that
     leverage improper might_cancel queueing (bsc#1053153).

   This non-security issue was fixed:

   - bsc#1062847: Enable proper shut down if NIC teaming is enabled


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 Live Patching 12:

      zypper in -t patch SUSE-SLE-Live-Patching-12-2017-2050=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Live Patching 12 (x86_64):

      kgraft-patch-4_4_38-93-default-11-2.1


References:

   https://www.suse.com/security/cve/CVE-2017-10661.html
   https://www.suse.com/security/cve/CVE-2017-16939.html
   https://bugzilla.suse.com/1053153
   https://bugzilla.suse.com/1055567
   https://bugzilla.suse.com/1062847
   https://bugzilla.suse.com/1069708



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