Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP5)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP5)
Announcement ID: SUSE-SU-2021:3374-1
Rating: important
References: #1187054 #1188613 #1190118
Cross-References:CVE-2021-3573 CVE-2021-3640 CVE-2021-38160
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP3
  • SUSE Linux Enterprise Module for Live Patching 15-SP2
  • SUSE Linux Enterprise Module for Live Patching 15-SP1
  • SUSE Linux Enterprise Live Patching 12-SP5
  • SUSE Linux Enterprise Live Patching 12-SP4

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-122_80 fixes several issues.
The following security issues were fixed:

  • 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 Security 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 Module for Live Patching 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2021-3356=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-3357=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-3358=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-3359=1
  • SUSE Linux Enterprise Module for Live Patching 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-3362=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3363=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3364=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3365=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3366=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-3367=1
  • SUSE Linux Enterprise Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2021-3368=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-3369=1 SUSE-SLE-Module-Live-Patching-15-SP1-2021-3370=1
  • SUSE Linux Enterprise Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-3374=1 SUSE-SLE-Live-Patching-12-SP5-2021-3375=1 SUSE-SLE-Live-Patching-12-SP5-2021-3376=1 SUSE-SLE-Live-Patching-12-SP5-2021-3377=1 SUSE-SLE-Live-Patching-12-SP5-2021-3378=1
  • SUSE Linux Enterprise Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2021-3379=1 SUSE-SLE-Live-Patching-12-SP4-2021-3380=1 SUSE-SLE-Live-Patching-12-SP4-2021-3381=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-59_10-default-5-2.1
    • kernel-livepatch-5_3_18-59_10-default-debuginfo-5-2.1
    • kernel-livepatch-5_3_18-59_13-default-5-2.1
    • kernel-livepatch-5_3_18-59_13-default-debuginfo-5-2.1
    • kernel-livepatch-5_3_18-59_16-default-4-2.1
    • kernel-livepatch-5_3_18-59_16-default-debuginfo-4-2.1
    • kernel-livepatch-5_3_18-59_5-default-5-2.1
    • kernel-livepatch-5_3_18-59_5-default-debuginfo-5-2.1
    • kernel-livepatch-SLE15-SP3_Update_1-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP3_Update_2-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP3_Update_3-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP3_Update_4-debugsource-4-2.1
  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_53_4-default-5-2.1
    • kernel-livepatch-5_3_18-24_53_4-default-debuginfo-5-2.1
    • kernel-livepatch-5_3_18-24_61-default-7-2.1
    • kernel-livepatch-5_3_18-24_61-default-debuginfo-7-2.1
    • kernel-livepatch-5_3_18-24_64-default-7-2.1
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-7-2.1
    • kernel-livepatch-5_3_18-24_67-default-5-2.1
    • kernel-livepatch-5_3_18-24_67-default-debuginfo-5-2.1
    • kernel-livepatch-5_3_18-24_70-default-5-2.1
    • kernel-livepatch-5_3_18-24_70-default-debuginfo-5-2.1
    • kernel-livepatch-5_3_18-24_75-default-4-2.1
    • kernel-livepatch-5_3_18-24_75-default-debuginfo-4-2.1
    • kernel-livepatch-SLE15-SP2_Update_12-debugsource-7-2.1
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-7-2.1
    • kernel-livepatch-SLE15-SP2_Update_14-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP2_Update_15-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP2_Update_16-debugsource-5-2.1
    • kernel-livepatch-SLE15-SP2_Update_17-debugsource-4-2.1
  • SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-197_89-default-7-2.1
    • kernel-livepatch-4_12_14-197_92-default-6-2.1
    • kernel-livepatch-4_12_14-197_99-default-4-2.1
  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-122_66-default-8-2.1
    • kgraft-patch-4_12_14-122_71-default-7-2.1
    • kgraft-patch-4_12_14-122_74-default-5-2.1
    • kgraft-patch-4_12_14-122_77-default-5-2.1
    • kgraft-patch-4_12_14-122_80-default-4-2.1
  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-95_74-default-7-2.1
    • kgraft-patch-4_12_14-95_77-default-6-2.1
    • kgraft-patch-4_12_14-95_80-default-4-2.1

References: