Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3)
Announcement ID: SUSE-SU-2022:0325-1
Rating: important
References: #1186061 #1191529 #1192036 #1193161 #1193863 #1194680
Cross-References:CVE-2018-25020 CVE-2019-0136 CVE-2020-25670 CVE-2020-25671 CVE-2020-25672 CVE-2020-25673 CVE-2020-3702 CVE-2021-23134 CVE-2021-42739
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server 12-SP3-LTSS

An update that fixes 9 vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.180-94_138 fixes several issues.
The following security issues were fixed:

  • CVE-2018-25020: Fixed an issue in the BPF subsystem in the Linux kernel mishandled situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. (bsc#1193575)
  • CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193)
  • CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673, CVE-2021-23134: Fixed multiple bugs in NFC subsytem (bsc#1178181, bsc#1186060).
  • CVE-2019-0136: Fixed an insufficient access control which allow an unauthenticated user to execute a denial of service. (bsc#1193157)
  • CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandled bounds checking (bsc#1184673).

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 Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-325=1 SUSE-SLE-SAP-12-SP3-2022-326=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-325=1 SUSE-SLE-SERVER-12-SP3-2022-326=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_138-default-14-2.2
    • kgraft-patch-4_4_180-94_138-default-debuginfo-14-2.2
    • kgraft-patch-4_4_180-94_141-default-13-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-13-2.2
  • SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_138-default-14-2.2
    • kgraft-patch-4_4_180-94_138-default-debuginfo-14-2.2
    • kgraft-patch-4_4_180-94_141-default-13-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-13-2.2

References: