Operating System:

[SUSE]

Published:

23 April 2024

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.2470                               
   Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)   
                               23 April 2024                               
                                                                           
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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Linux Kernel RT (Live Patch 1 for SLE 15 SP5)           
Publisher:         SUSE                                                    
Operating System:  SUSE                                                    
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2024-26622 CVE-2023-5717 CVE-2024-1086              
                   CVE-2024-0775                                           

Original Bulletin:
   https://www.suse.com/support/update/announcement/2024/suse-su-20241358-1

Comment: CVSS (Max):  7.8 CVE-2024-26622 (CVSS:3.1/AV:L/AC:L/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:L/PR:L/UI:N/S:U/C:H/I:H/A:H


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Security update for the Linux Kernel RT (Live Patch 1 for SLE 15 SP5)

Announcement ID:  SUSE-SU-2024:1358-1
     Rating:      important
                    o bsc#1216644
                    o bsc#1219079
   References:      o bsc#1219435
                    o bsc#1220828

                    o CVE-2023-5717
                    o CVE-2024-0775
Cross-References:   o CVE-2024-1086
                    o CVE-2024-26622

                    o CVE-2023-5717 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
                      S:U/C:H/I:H/A:H
                    o CVE-2023-5717 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
                      S:U/C:H/I:H/A:H
                    o CVE-2024-0775 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
                      S:U/C:N/I:H/A:H
                    o CVE-2024-0775 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
  CVSS scores:        S:U/C:H/I:N/A:H
                    o CVE-2024-1086 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
                      S:U/C:H/I:H/A:H
                    o CVE-2024-1086 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
                      S:U/C:H/I:H/A:H
                    o CVE-2024-26622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
                      /S:U/C:H/I:H/A:H

                    o openSUSE Leap 15.5
                    o SUSE Linux Enterprise High Performance Computing 15 SP5
    Affected        o SUSE Linux Enterprise Live Patching 15-SP5
    Products:       o SUSE Linux Enterprise Micro 5.5
                    o SUSE Linux Enterprise Real Time 15 SP5
                    o SUSE Linux Enterprise Server 15 SP5
                    o SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_13_5 fixes several issues.

The following security issues were fixed:

  o CVE-2023-5717: Fixed a heap out-of-bounds write vulnerability in the
    Performance Events component (bsc#1216644).
  o CVE-2024-0775: Fixed use-after-free in __ext4_remount in fs/ext4/super.c
    that could allow a local user to cause an information leak problem while
    freeing the old quota file names before a potential failure (bsc#1219079).
  o CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#
    1220828).
  o CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables
    component that could have been exploited to achieve local privilege
    escalation (bsc#1219435).

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:

  o openSUSE Leap 15.5
    zypper in -t patch SUSE-2024-1356=1 SUSE-2024-1358=1
  o SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-1356=1
    SUSE-SLE-Module-Live-Patching-15-SP5-2024-1358=1

Package List:

  o openSUSE Leap 15.5 (x86_64)
       kernel-livepatch-5_14_21-150500_11-rt-debuginfo-11-150500.12.1
       kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-10-150500.2.1
       kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-11-150500.12.1
       kernel-livepatch-5_14_21-150500_11-rt-11-150500.12.1
       kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-10-150500.2.1
       kernel-livepatch-5_14_21-150500_13_5-rt-10-150500.2.1
  o SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
       kernel-livepatch-5_14_21-150500_11-rt-debuginfo-11-150500.12.1
       kernel-livepatch-SLE15-SP5-RT_Update_1-debugsource-10-150500.2.1
       kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-11-150500.12.1
       kernel-livepatch-5_14_21-150500_11-rt-11-150500.12.1
       kernel-livepatch-5_14_21-150500_13_5-rt-debuginfo-10-150500.2.1
       kernel-livepatch-5_14_21-150500_13_5-rt-10-150500.2.1

References:

  o https://www.suse.com/security/cve/CVE-2023-5717.html
  o https://www.suse.com/security/cve/CVE-2024-0775.html
  o https://www.suse.com/security/cve/CVE-2024-1086.html
  o https://www.suse.com/security/cve/CVE-2024-26622.html
  o https://bugzilla.suse.com/show_bug.cgi?id=1216644
  o https://bugzilla.suse.com/show_bug.cgi?id=1219079
  o https://bugzilla.suse.com/show_bug.cgi?id=1219435
  o https://bugzilla.suse.com/show_bug.cgi?id=1220828

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