Security update for the Linux Kernel (Live Patch 39 for SLE 12 SP3)

Announcement ID: SUSE-SU-2021:3458-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-3573 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3573 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3640 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3640 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3715 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-3715 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-38160 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-38160 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Live Patching 15
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.4.180-94_144 fixes several issues.

The following security issues were fixed:

  • CVE-2021-3715: Fixed a user-after-free in the Linux kernel's Traffic Control networking subsystem which could lead to local privilege escalation. (bsc#1190350).
  • CVE-2021-38160: Fixed a bug that could lead to a data corruption or loss. This can be triggered by an untrusted device that supplies a buf->len value exceeding the buffer size in drivers/char/virtio_console.c (bsc#1190118)
  • CVE-2021-3640: Fixed a user-after-free bug in the function sco_sock_sendmsg which could lead to local privilege escalation. (bsc#1188613)
  • CVE-2021-3573: Fixed a user-after-free bug in the function hci_sock_bound_ioctl which could lead to local privilege escalation. (bsc#1187054).

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 SP3
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-3461=1 SUSE-SLE-SAP-12-SP3-2021-3462=1 SUSE-SLE-SAP-12-SP3-2021-3458=1 SUSE-SLE-SAP-12-SP3-2021-3459=1 SUSE-SLE-SAP-12-SP3-2021-3460=1
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3460=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3461=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3462=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3458=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3459=1
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3460=1 SUSE-SLE-SERVER-12-SP3-2021-3461=1 SUSE-SLE-SERVER-12-SP3-2021-3462=1 SUSE-SLE-SERVER-12-SP3-2021-3458=1 SUSE-SLE-SERVER-12-SP3-2021-3459=1
  • SUSE Linux Enterprise Live Patching 15
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2021-3426=1 SUSE-SLE-Module-Live-Patching-15-2021-3440=1 SUSE-SLE-Module-Live-Patching-15-2021-3401=1 SUSE-SLE-Module-Live-Patching-15-2021-3372=1 SUSE-SLE-Module-Live-Patching-15-2021-3371=1

Package List:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
    • kgraft-patch-4_4_180-94_144-default-debuginfo-7-2.1
    • kgraft-patch-4_4_180-94_138-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_135-default-13-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-10-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-4-2.1
    • kgraft-patch-4_4_180-94_147-default-4-2.1
    • kgraft-patch-4_4_180-94_141-default-10-2.2
    • kgraft-patch-4_4_180-94_144-default-7-2.1
    • kgraft-patch-4_4_180-94_138-default-11-2.2
    • kgraft-patch-4_4_180-94_135-default-debuginfo-13-2.2
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
    • kgraft-patch-4_4_180-94_144-default-debuginfo-7-2.1
    • kgraft-patch-4_4_180-94_138-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_135-default-13-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-10-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-4-2.1
    • kgraft-patch-4_4_180-94_147-default-4-2.1
    • kgraft-patch-4_4_180-94_141-default-10-2.2
    • kgraft-patch-4_4_180-94_144-default-7-2.1
    • kgraft-patch-4_4_180-94_138-default-11-2.2
    • kgraft-patch-4_4_180-94_135-default-debuginfo-13-2.2
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le x86_64)
    • kgraft-patch-4_4_180-94_144-default-debuginfo-7-2.1
    • kgraft-patch-4_4_180-94_138-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_135-default-13-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-10-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-4-2.1
    • kgraft-patch-4_4_180-94_147-default-4-2.1
    • kgraft-patch-4_4_180-94_141-default-10-2.2
    • kgraft-patch-4_4_180-94_144-default-7-2.1
    • kgraft-patch-4_4_180-94_138-default-11-2.2
    • kgraft-patch-4_4_180-94_135-default-debuginfo-13-2.2
  • SUSE Linux Enterprise Live Patching 15 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-150_63-default-debuginfo-13-2.2
    • kernel-livepatch-4_12_14-150_63-default-13-2.2
    • kernel-livepatch-4_12_14-150_72-default-debuginfo-7-2.1
    • kernel-livepatch-4_12_14-150_75-default-4-2.1
    • kernel-livepatch-4_12_14-150_69-default-debuginfo-10-2.2
    • kernel-livepatch-4_12_14-150_69-default-10-2.2
    • kernel-livepatch-4_12_14-150_66-default-11-2.2
    • kernel-livepatch-4_12_14-150_72-default-7-2.1
    • kernel-livepatch-4_12_14-150_66-default-debuginfo-11-2.2
    • kernel-livepatch-4_12_14-150_75-default-debuginfo-4-2.1

References: