Security update for Linux Kernel Live Patch 3 for SLE 12 SP2

Announcement ID: SUSE-SU-2017:1914-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2017-1000364 ( SUSE ): 8.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2017-1000364 ( NVD ): 7.4 CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Live Patching 12
  • SUSE Linux Enterprise Server 12
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server for SAP Applications 12
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2

An update that solves one vulnerability and has six security fixes can now be installed.

Description:

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

The following security bugs were fixed:

  • CVE-2017-1000364: An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be "jumped" over (the stack guard page is bypassed) (bsc#1039496).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Live Patching 12
    zypper in -t patch SUSE-SLE-Live-Patching-12-2017-1185=1 SUSE-SLE-Live-Patching-12-2017-1197=1

Package List:

  • SUSE Linux Enterprise Live Patching 12 (x86_64)
    • kgraft-patch-4_4_38-93-default-6-3.1
    • kgraft-patch-4_4_21-90-default-6-3.1

References: