# Security update for the Linux Kernel (Live Patch 47 for SLE 15 SP2)

Announcement ID: SUSE-SU-2024:3044-1  
Rating: important  
References:

  * bsc#1210619
  * bsc#1220145
  * bsc#1220537
  * bsc#1223059
  * bsc#1223363
  * bsc#1223514
  * bsc#1223683
  * bsc#1225013
  * bsc#1225202
  * bsc#1225211
  * bsc#1225302
  * bsc#1225310

  
Cross-References:

  * CVE-2021-46955
  * CVE-2021-47378
  * CVE-2021-47383
  * CVE-2021-47402
  * CVE-2022-48651
  * CVE-2023-1829
  * CVE-2024-23307
  * CVE-2024-26828
  * CVE-2024-26852
  * CVE-2024-26923
  * CVE-2024-27398
  * CVE-2024-35950

  
CVSS scores:

  * CVE-2021-46955 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2021-47378 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47383 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2021-47402 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2022-48651 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1829 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2023-1829 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-23307 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2024-23307 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/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-2024-26852 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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-2024-35950 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise Live Patching 15-SP2
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2

  
  
An update that solves 12 vulnerabilities can now be installed.

## Description:

This update for the Linux Kernel 5.3.18-150200_24_188 fixes several issues.

The following security issues were fixed:

  * CVE-2021-47402: Fixed use-after-free in fl_walk() (bsc#1225301)
  * CVE-2021-47378: Fixed use-after-free by destroying cm id before destroying
    qp (bsc#1225202).
  * CVE-2024-27398: Fixed use-after-free bugs caused by sco_sock_timeout
    (bsc#1225013).
  * CVE-2024-35950: drm/client: Fully protect modes with dev->mode_config.mutex
    (bsc#1225310).
  * CVE-2021-47383: Fixed out-of-bound vmalloc access in imageblit
    (bsc#1225211).
  * 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).
  * CVE-2021-46955: Fixed an out-of-bounds read with openvswitch, when
    fragmenting IPv4 packets (bsc#1220537).
  * CVE-2024-23307: Fixed Integer Overflow or Wraparound vulnerability in x86
    and ARM md, raid, raid5 modules (bsc#1220145).
  * CVE-2024-26852: Fixed use-after-free in ip6_route_mpath_notify()
    (bsc#1223059).
  * CVE-2022-48651: Fixed an out-of-bound bug in ipvlan caused by unset
    skb->mac_header (bsc#1223514).
  * CVE-2023-1829: Fixed a use-after-free vulnerability in the control index
    filter (tcindex) (bsc#1210619).

## 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:

  * SUSE Linux Enterprise Live Patching 15-SP2  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-3044=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    * kernel-livepatch-5_3_18-150200_24_188-default-debuginfo-6-150200.5.6.1
    * kernel-livepatch-SLE15-SP2_Update_47-debugsource-6-150200.5.6.1
    * kernel-livepatch-5_3_18-150200_24_188-default-6-150200.5.6.1

## References:

  * https://www.suse.com/security/cve/CVE-2021-46955.html
  * https://www.suse.com/security/cve/CVE-2021-47378.html
  * https://www.suse.com/security/cve/CVE-2021-47383.html
  * https://www.suse.com/security/cve/CVE-2021-47402.html
  * https://www.suse.com/security/cve/CVE-2022-48651.html
  * https://www.suse.com/security/cve/CVE-2023-1829.html
  * https://www.suse.com/security/cve/CVE-2024-23307.html
  * https://www.suse.com/security/cve/CVE-2024-26828.html
  * https://www.suse.com/security/cve/CVE-2024-26852.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-2024-35950.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1210619
  * https://bugzilla.suse.com/show_bug.cgi?id=1220145
  * https://bugzilla.suse.com/show_bug.cgi?id=1220537
  * https://bugzilla.suse.com/show_bug.cgi?id=1223059
  * https://bugzilla.suse.com/show_bug.cgi?id=1223363
  * https://bugzilla.suse.com/show_bug.cgi?id=1223514
  * https://bugzilla.suse.com/show_bug.cgi?id=1223683
  * https://bugzilla.suse.com/show_bug.cgi?id=1225013
  * https://bugzilla.suse.com/show_bug.cgi?id=1225202
  * https://bugzilla.suse.com/show_bug.cgi?id=1225211
  * https://bugzilla.suse.com/show_bug.cgi?id=1225302
  * https://bugzilla.suse.com/show_bug.cgi?id=1225310