Linux Kernel: CVSS (Max): 7.0

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2022.4721
    Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP4)
                             26 September 2022

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Linux Kernel
Publisher:         SUSE
Operating System:  SUSE
Resolution:        Patch/Upgrade
CVE Names:         CVE-2022-39188  

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2022/suse-su-20223372-1

Comment: CVSS (Max):  7.0 CVE-2022-39188 (CVSS:3.1/AV:L/AC:H/PR:L/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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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SUSE Security Update: Security update for the Linux Kernel (Live Patch 28 for
SLE 12 SP4)

______________________________________________________________________________

Announcement ID:   SUSE-SU-2022:3372-1
Rating:            important
References:        #1203116
Cross-References:  CVE-2022-39188
Affected Products:
                   SUSE Linux Enterprise Live Patching 12-SP4
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.12.14-95_102 fixes one issue.
The following security issue was fixed:

  o CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and
    munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).

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 Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-3372=1

Package List:

  o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
       kgraft-patch-4_12_14-95_102-default-3-2.2


References:

  o https://www.suse.com/security/cve/CVE-2022-39188.html
  o https://bugzilla.suse.com/1203116

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