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

Announcement ID: SUSE-SU-2025:02858-1
Release Date: 2025-08-18T17:33:55Z
Rating: important
References:
Cross-References:
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_5 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-SP7-2025-2858=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP7 (x86_64)
    • kernel-livepatch-6_4_0-150700_5-rt-debuginfo-2-150700.3.1
    • kernel-livepatch-SLE15-SP7-RT_Update_0-debugsource-2-150700.3.1
    • kernel-livepatch-6_4_0-150700_5-rt-2-150700.3.1

References: