Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP1)

Announcement ID: SUSE-SU-2017:3338-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2017-16939 ( SUSE ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2017-16939 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2017-16939 ( NVD ): 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP1

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 3.12.74-60_64_63 fixes one issue.

The following security issue was 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).

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 Server for SAP Applications 12 SP1
    zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-2091=1
  • SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1
    zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-2091=1

Package List:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP1 (x86_64)
    • kgraft-patch-3_12_74-60_64_63-xen-2-2.1
    • kgraft-patch-3_12_74-60_64_63-default-2-2.1
  • SUSE Linux Enterprise Server 12 SP1 LTSS 12-SP1 (x86_64)
    • kgraft-patch-3_12_74-60_64_63-xen-2-2.1
    • kgraft-patch-3_12_74-60_64_63-default-2-2.1

References: