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             AUSCERT External Security Bulletin Redistribution

    Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP3)
                              19 October 2022


        AusCERT Security Bulletin Summary

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-42721 CVE-2022-42720 CVE-2022-42719
                   CVE-2022-41674 CVE-2022-41222 CVE-2022-39189

Original Bulletin: 

Comment: CVSS (Max):  8.8 CVE-2022-41674 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
         CVSS Source: SUSE
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:N/I:N/S:U/C:H/I:H/A:H

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SUSE Security Update: Security update for the Linux Kernel (Live Patch 24 for
SLE 15 SP3)


Announcement ID:   SUSE-SU-2022:3606-1
Rating:            important
References:        #1203067 #1203624 #1203994 #1204290 #1204291 #1204292
Cross-References:  CVE-2022-39189 CVE-2022-41222 CVE-2022-41674 CVE-2022-42719
                   CVE-2022-42720 CVE-2022-42721
Affected Products:
                   SUSE Linux Enterprise High Performance Computing 15-SP3
                   SUSE Linux Enterprise Micro 5.1
                   SUSE Linux Enterprise Module for Live Patching 15-SP3
                   SUSE Linux Enterprise Server 15-SP3
                   SUSE Linux Enterprise Server for SAP Applications 15-SP3

An update that fixes 6 vulnerabilities is now available.


This update for the Linux Kernel 5.3.18-150300_59_93 fixes several issues.
The following security issues were fixed:

  o CVE-2022-41674: Fixed buffer overflow that can be triggered by injected
    WLAN frames (bsc#1203994).
  o CVE-2022-42719: Fixed use-after-free in the mac80211 stack when parsing a
    multi-BSSID element (bsc#1204292).
  o CVE-2022-42720: Fixed refcounting bugs in the multi-BSS handling of the
    mac80211 stack (bsc#1204291).
  o CVE-2022-42721: Fixed list management bug in BSS handling of the mac80211
    stack (bsc#1204290).
  o CVE-2022-41222: Fixed a use-after-free via a stale TLB (bsc#1203624).
  o CVE-2022-39189: Fixed mishandled TLB flush operation in certain
    KVM_VCPU_PREEMPTED situations (bsc#1203067).

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:

  o SUSE Linux Enterprise Module for Live Patching 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-3606=1

Package List:

  o SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x


  o https://www.suse.com/security/cve/CVE-2022-39189.html
  o https://www.suse.com/security/cve/CVE-2022-41222.html
  o https://www.suse.com/security/cve/CVE-2022-41674.html
  o https://www.suse.com/security/cve/CVE-2022-42719.html
  o https://www.suse.com/security/cve/CVE-2022-42720.html
  o https://www.suse.com/security/cve/CVE-2022-42721.html
  o https://bugzilla.suse.com/1203067
  o https://bugzilla.suse.com/1203624
  o https://bugzilla.suse.com/1203994
  o https://bugzilla.suse.com/1204290
  o https://bugzilla.suse.com/1204291
  o https://bugzilla.suse.com/1204292

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