Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP4)

Announcement ID:	SUSE-SU-2020:3670-1
Rating:	important
References:	bsc#1178046 bsc#1178622 bsc#1178700 bsc#1178783
Cross-References:	CVE-2020-25668 CVE-2020-25705 CVE-2020-8694
CVSS scores:	CVE-2020-25668 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-25668 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-25705 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2020-25705 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVE-2020-8694 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2020-8694 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Live Patching 15-SP1 SUSE Linux Enterprise Live Patching 12-SP5 SUSE Linux Enterprise Live Patching 12-SP4 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves three vulnerabilities and has one security fix can now be installed.

Description:

This update for the Linux Kernel 4.12.14-95_45 fixes several issues.

The following security issues were fixed:

• CVE-2020-25668: Fixed a concurrency use-after-free in con_font_op (bsc#1178622).
• CVE-2020-8694: Fixed an insufficient access control in the Linux kernel driver for some Intel(R) Processors which might have allowed an authenticated user to potentially enable information disclosure via local access (bsc#1178700).
• CVE-2020-25705: Fixed a flaw which could have allowed an off-path remote user to effectively bypass source port UDP randomization (bsc#1178783).
• Fixed an issue where system was hanging due to a massive amount of soft lockups in btrfs_drop_and_free_fs_root() (bsc#1178046).

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-SP4
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2020-3657=1 SUSE-SLE-Live-Patching-12-SP4-2020-3658=1 SUSE-SLE-Live-Patching-12-SP4-2020-3659=1 SUSE-SLE-Live-Patching-12-SP4-2020-3660=1 SUSE-SLE-Live-Patching-12-SP4-2020-3661=1 SUSE-SLE-Live-Patching-12-SP4-2020-3662=1
• SUSE Linux Enterprise Live Patching 12-SP5
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2020-3671=1 SUSE-SLE-Live-Patching-12-SP5-2020-3672=1 SUSE-SLE-Live-Patching-12-SP5-2020-3673=1 SUSE-SLE-Live-Patching-12-SP5-2020-3674=1 SUSE-SLE-Live-Patching-12-SP5-2020-3663=1 SUSE-SLE-Live-Patching-12-SP5-2020-3664=1 SUSE-SLE-Live-Patching-12-SP5-2020-3665=1 SUSE-SLE-Live-Patching-12-SP5-2020-3666=1 SUSE-SLE-Live-Patching-12-SP5-2020-3667=1 SUSE-SLE-Live-Patching-12-SP5-2020-3668=1 SUSE-SLE-Live-Patching-12-SP5-2020-3669=1 SUSE-SLE-Live-Patching-12-SP5-2020-3670=1
• SUSE Linux Enterprise Live Patching 15-SP1
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2020-3680=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3681=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3682=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3683=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3684=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3685=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3686=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3687=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3688=1 SUSE-SLE-Module-Live-Patching-15-SP1-2020-3689=1

Package List:

• SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64)
  • kgraft-patch-4_12_14-95_45-default-9-2.2
  • kgraft-patch-4_12_14-95_48-default-8-2.2
• SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-95_60-default-4-2.1
  • kgraft-patch-4_12_14-95_51-default-7-2.2
  • kgraft-patch-4_12_14-95_57-default-5-2.1
  • kgraft-patch-4_12_14-95_54-default-5-2.2
• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le x86_64)
  • kgraft-patch-4_12_14-120-default-9-3.2
  • kgraft-patch-SLE12-SP5_Update_0-debugsource-9-3.2
  • kgraft-patch-4_12_14-122_12-default-9-2.2
  • kgraft-patch-4_12_14-122_7-default-9-2.2
  • kgraft-patch-4_12_14-120-default-debuginfo-9-3.2
• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-122_23-default-5-2.2
  • kgraft-patch-4_12_14-122_32-default-5-2.1
  • kgraft-patch-4_12_14-122_46-default-2-2.1
  • kgraft-patch-4_12_14-122_17-default-8-2.2
  • kgraft-patch-4_12_14-122_29-default-5-2.1
  • kgraft-patch-4_12_14-122_37-default-4-2.1
  • kgraft-patch-4_12_14-122_41-default-3-2.1
  • kgraft-patch-4_12_14-122_26-default-5-2.2
  • kgraft-patch-4_12_14-122_20-default-7-2.2
• SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
  • kernel-livepatch-4_12_14-197_29-default-9-2.2
  • kernel-livepatch-4_12_14-197_51-default-5-2.1
  • kernel-livepatch-4_12_14-197_61-default-3-2.1
  • kernel-livepatch-4_12_14-197_48-default-5-2.1
  • kernel-livepatch-4_12_14-197_37-default-8-2.2
  • kernel-livepatch-4_12_14-197_34-default-8-2.2
  • kernel-livepatch-4_12_14-197_56-default-4-2.1
  • kernel-livepatch-4_12_14-197_64-default-2-2.1
  • kernel-livepatch-4_12_14-197_40-default-7-2.2
  • kernel-livepatch-4_12_14-197_45-default-5-2.2

References:

• https://www.suse.com/security/cve/CVE-2020-25668.html
• https://www.suse.com/security/cve/CVE-2020-25705.html
• https://www.suse.com/security/cve/CVE-2020-8694.html
• https://bugzilla.suse.com/show_bug.cgi?id=1178046
• https://bugzilla.suse.com/show_bug.cgi?id=1178622
• https://bugzilla.suse.com/show_bug.cgi?id=1178700
• https://bugzilla.suse.com/show_bug.cgi?id=1178783