SUSE-SU-2017:0232-1: important: Security update for Linux Kernel Live Patch 3 for SLE 12 SP2

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Fri Jan 20 09:15:51 MST 2017


   SUSE Security Update: Security update for Linux Kernel Live Patch 3 for SLE 12 SP2
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Announcement ID:    SUSE-SU-2017:0232-1
Rating:             important
References:         #1019079 
Cross-References:   CVE-2016-10088
Affected Products:
                    SUSE Linux Enterprise Live Patching 12
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.21-90 fixes several issues.

   The following security bugs were fixed:
   - CVE-2016-10088: The sg implementation in the Linux kernel did not
     properly restrict write operations in situations where the KERNEL_DS
     option is set, which allowed local users to read or write to arbitrary
     kernel memory locations or cause a denial of service (use-after-free) by
     leveraging access to a /dev/sg device, related to block/bsg.c and
     drivers/scsi/sg.c. NOTE: this vulnerability exists because of an
     incomplete fix for CVE-2016-9576 (bsc#1019079).


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-12-2017-109=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_21-90-default-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2016-10088.html
   https://bugzilla.suse.com/1019079



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