SUSE-SU-2017:3324-1: important: Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP3)

sle-updates at lists.suse.com sle-updates at lists.suse.com
Thu Dec 14 13:16:53 MST 2017


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:3324-1
Rating:             important
References:         #1055567 #1062847 #1069708 #1070307 
Cross-References:   CVE-2017-1000405 CVE-2017-16939
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________

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

Description:

   This update for the Linux Kernel 4.4.82-6_6 fixes several issues.

   The following security issues were fixed:

   - CVE-2017-1000405: Problematic use of pmd_mkdirty() in the touch_pmd()
     function allowed users to overwrite read-only huge pages (e.g. the zero
     huge page and sealed shmem files) (bsc#1070307).
   - 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).

   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-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2017-2074=1

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


Package List:

   - SUSE Linux Enterprise Live Patching 12-SP3 (x86_64):

      kgraft-patch-4_4_82-6_6-default-3-2.1
      kgraft-patch-4_4_82-6_6-default-debuginfo-3-2.1


References:

   https://www.suse.com/security/cve/CVE-2017-1000405.html
   https://www.suse.com/security/cve/CVE-2017-16939.html
   https://bugzilla.suse.com/1055567
   https://bugzilla.suse.com/1062847
   https://bugzilla.suse.com/1069708
   https://bugzilla.suse.com/1070307



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