SUSE-SU-2025:02942-1: important: Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP7)

[SLE-UPDATES]

# Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP7)

Announcement ID: SUSE-SU-2025:02942-1  
Release Date: 2025-08-21T09:33:32Z  
Rating: important  
References:

  * bsc#1244337
  * bsc#1245218
  * bsc#1245350
  * bsc#1245776
  * bsc#1245793
  * bsc#1245797
  * bsc#1247350
  * bsc#1247351

  
Cross-References:

  * CVE-2025-21702
  * CVE-2025-37752
  * CVE-2025-37797
  * CVE-2025-38079
  * CVE-2025-38083
  * CVE-2025-38494
  * CVE-2025-38495

  
CVSS scores:

  * CVE-2025-21702 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-37752 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-37797 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38079 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38079 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38083 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38494 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38494 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-38495 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-38495 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Live Patching 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves seven vulnerabilities and has one security fix can now be
installed.

## Description:

This update for the Linux Kernel 6.4.0-150700_51 fixes several issues.

The following security issues were fixed:

  * CVE-2025-38494: HID: core: do not bypass hid_hw_raw_request (bsc#1247350).
  * CVE-2025-38495: HID: core: ensure the allocated report buffer can contain
    the reserved report ID (bsc#1247351).
  * CVE-2025-38079: crypto: algif_hash - fix double free in hash_accept
    (bsc#1245218).
  * CVE-2025-38083: net_sched: prio: fix a race in prio_tune() (bsc#1245350).
  * CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling
    (bsc#1245793).
  * CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).
  * CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0
    (bsc#1245797).

## 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-SP7  
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2025-2942=1

## Package List:

  * SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64)
    * kernel-livepatch-6_4_0-150700_51-default-debuginfo-2-150700.3.3.2
    * kernel-livepatch-SLE15-SP7_Update_0-debugsource-2-150700.3.3.2
    * kernel-livepatch-6_4_0-150700_51-default-2-150700.3.3.2

## References:

  * https://www.suse.com/security/cve/CVE-2025-21702.html
  * https://www.suse.com/security/cve/CVE-2025-37752.html
  * https://www.suse.com/security/cve/CVE-2025-37797.html
  * https://www.suse.com/security/cve/CVE-2025-38079.html
  * https://www.suse.com/security/cve/CVE-2025-38083.html
  * https://www.suse.com/security/cve/CVE-2025-38494.html
  * https://www.suse.com/security/cve/CVE-2025-38495.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244337
  * https://bugzilla.suse.com/show_bug.cgi?id=1245218
  * https://bugzilla.suse.com/show_bug.cgi?id=1245350
  * https://bugzilla.suse.com/show_bug.cgi?id=1245776
  * https://bugzilla.suse.com/show_bug.cgi?id=1245793
  * https://bugzilla.suse.com/show_bug.cgi?id=1245797
  * https://bugzilla.suse.com/show_bug.cgi?id=1247350
  * https://bugzilla.suse.com/show_bug.cgi?id=1247351

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