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

Announcement ID: SUSE-SU-2024:4125-1  
Release Date: 2024-12-02T09:15:16Z  
Rating: important  
References:

  * bsc#1223363
  * bsc#1223683
  * bsc#1225011
  * bsc#1225012
  * bsc#1225013
  * bsc#1225099
  * bsc#1225309
  * bsc#1225311
  * bsc#1225312
  * bsc#1225429
  * bsc#1225733
  * bsc#1225739
  * bsc#1225819
  * bsc#1226325
  * bsc#1226327
  * bsc#1227471
  * bsc#1228573
  * bsc#1228786
  * bsc#1229273
  * bsc#1229553

  
Cross-References:

  * CVE-2021-47517
  * CVE-2021-47598
  * CVE-2023-52752
  * CVE-2023-52846
  * CVE-2024-26828
  * CVE-2024-26923
  * CVE-2024-27398
  * CVE-2024-35861
  * CVE-2024-35862
  * CVE-2024-35863
  * CVE-2024-35864
  * CVE-2024-35867
  * CVE-2024-35905
  * CVE-2024-35949
  * CVE-2024-36899
  * CVE-2024-36904
  * CVE-2024-36964
  * CVE-2024-40954
  * CVE-2024-41059
  * CVE-2024-43861

  
CVSS scores:

  * CVE-2021-47517 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:H
  * CVE-2021-47598 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47598 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-52752 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-52752 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-52846 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-26828 ( SUSE ):  7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
  * CVE-2024-26828 ( NVD ):  6.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
  * CVE-2024-26923 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-27398 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35861 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35862 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35863 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35864 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35867 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35905 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-35949 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-36899 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-36904 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-36964 ( SUSE ):  7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40954 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-40954 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-41059 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-41059 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-41059 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2024-43861 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2024-43861 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

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

  
  
An update that solves 20 vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.14.21-150500_13_55 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47517: Fix panic when interrupt coaleceing is set via ethtool
    (bsc#1225429).
  * CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique()
    (bsc#1225733).
  * CVE-2024-43861: Fix memory leak for not ip packets (bsc#1229553).
  * CVE-2024-35905: Fixed int overflow for stack access size (bsc#1226327).
  * CVE-2021-47598: sch_cake: do not call cake_destroy() from cake_init()
    (bsc#1227471).
  * CVE-2024-35949: btrfs: make sure that WRITTEN is set on all metadata blocks
    (bsc#1229273).
  * CVE-2024-35863: Fixed potential UAF in is_valid_oplock_break()
    (bsc#1225011).
  * CVE-2023-52752: smb: client: fix use-after-free bug in
    cifs_debug_data_proc_show() (bsc#1225819).
  * CVE-2024-35862: Fixed potential UAF in smb2_is_network_name_deleted()
    (bsc#1225311).
  * CVE-2024-35867: Fixed potential UAF in cifs_stats_proc_show() (bsc#1225012).
  * CVE-2024-35864: Fixed potential UAF in smb2_is_valid_lease_break()
    (bsc#1225309).
  * CVE-2024-35861: Fixed potential UAF in cifs_signal_cifsd_for_reconnect()
    (bsc#1225312).
  * CVE-2024-36899: gpiolib: cdev: Fix use after free in lineinfo_changed_notify
    (bsc#1231353).
  * CVE-2024-36899: gpiolib: cdev: Fix use after free in lineinfo_changed_notify
    (bsc#1225739).
  * CVE-2024-40954: net: do not leave a dangling sk pointer, when socket
    creation fails (bsc#1227808)
  * CVE-2024-41059: hfsplus: fix uninit-value in copy_name (bsc#1228573).
  * CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000
    (bsc#1226325).
  * CVE-2023-52846: hsr: Prevent use after free in prp_create_tagged_frame()
    (bsc#1225099).
  * CVE-2024-27398: Fixed use-after-free bugs caused by sco_sock_timeout
    (bsc#1225013).
  * CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in
    __unix_gc() (bsc#1223683).
  * CVE-2024-26828: Fixed underflow in parse_server_interfaces() (bsc#1223363).

## 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:

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2024-4125=1 SUSE-2024-4126=1

  * SUSE Linux Enterprise Live Patching 15-SP5  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-4125=1 SUSE-SLE-
Module-Live-Patching-15-SP5-2024-4126=1

## Package List:

  * openSUSE Leap 15.5 (x86_64)
    * kernel-livepatch-5_14_21-150500_13_55-rt-7-150500.11.6.1
    * kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource-7-150500.11.8.1
    * kernel-livepatch-SLE15-SP5-RT_Update_15-debugsource-7-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_52-rt-7-150500.11.8.1
    * kernel-livepatch-5_14_21-150500_13_55-rt-debuginfo-7-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo-7-150500.11.8.1
  * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
    * kernel-livepatch-5_14_21-150500_13_55-rt-7-150500.11.6.1
    * kernel-livepatch-SLE15-SP5-RT_Update_14-debugsource-7-150500.11.8.1
    * kernel-livepatch-SLE15-SP5-RT_Update_15-debugsource-7-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_52-rt-7-150500.11.8.1
    * kernel-livepatch-5_14_21-150500_13_55-rt-debuginfo-7-150500.11.6.1
    * kernel-livepatch-5_14_21-150500_13_52-rt-debuginfo-7-150500.11.8.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-47517.html
  * https://www.suse.com/security/cve/CVE-2021-47598.html
  * https://www.suse.com/security/cve/CVE-2023-52752.html
  * https://www.suse.com/security/cve/CVE-2023-52846.html
  * https://www.suse.com/security/cve/CVE-2024-26828.html
  * https://www.suse.com/security/cve/CVE-2024-26923.html
  * https://www.suse.com/security/cve/CVE-2024-27398.html
  * https://www.suse.com/security/cve/CVE-2024-35861.html
  * https://www.suse.com/security/cve/CVE-2024-35862.html
  * https://www.suse.com/security/cve/CVE-2024-35863.html
  * https://www.suse.com/security/cve/CVE-2024-35864.html
  * https://www.suse.com/security/cve/CVE-2024-35867.html
  * https://www.suse.com/security/cve/CVE-2024-35905.html
  * https://www.suse.com/security/cve/CVE-2024-35949.html
  * https://www.suse.com/security/cve/CVE-2024-36899.html
  * https://www.suse.com/security/cve/CVE-2024-36904.html
  * https://www.suse.com/security/cve/CVE-2024-36964.html
  * https://www.suse.com/security/cve/CVE-2024-40954.html
  * https://www.suse.com/security/cve/CVE-2024-41059.html
  * https://www.suse.com/security/cve/CVE-2024-43861.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1223363
  * https://bugzilla.suse.com/show_bug.cgi?id=1223683
  * https://bugzilla.suse.com/show_bug.cgi?id=1225011
  * https://bugzilla.suse.com/show_bug.cgi?id=1225012
  * https://bugzilla.suse.com/show_bug.cgi?id=1225013
  * https://bugzilla.suse.com/show_bug.cgi?id=1225099
  * https://bugzilla.suse.com/show_bug.cgi?id=1225309
  * https://bugzilla.suse.com/show_bug.cgi?id=1225311
  * https://bugzilla.suse.com/show_bug.cgi?id=1225312
  * https://bugzilla.suse.com/show_bug.cgi?id=1225429
  * https://bugzilla.suse.com/show_bug.cgi?id=1225733
  * https://bugzilla.suse.com/show_bug.cgi?id=1225739
  * https://bugzilla.suse.com/show_bug.cgi?id=1225819
  * https://bugzilla.suse.com/show_bug.cgi?id=1226325
  * https://bugzilla.suse.com/show_bug.cgi?id=1226327
  * https://bugzilla.suse.com/show_bug.cgi?id=1227471
  * https://bugzilla.suse.com/show_bug.cgi?id=1228573
  * https://bugzilla.suse.com/show_bug.cgi?id=1228786
  * https://bugzilla.suse.com/show_bug.cgi?id=1229273
  * https://bugzilla.suse.com/show_bug.cgi?id=1229553