SUSE-SU-2026:0168-1: important: Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise 15 SP4)
SLE-SECURITY-UPDATES
null at suse.de
Tue Jan 20 08:31:06 UTC 2026
# Security update for the Linux Kernel (Live Patch 40 for SUSE Linux Enterprise
15 SP4)
Announcement ID: SUSE-SU-2026:0168-1
Release Date: 2026-01-19T19:33:53Z
Rating: important
References:
* bsc#1248400
* bsc#1248615
* bsc#1248670
* bsc#1249242
* bsc#1250665
* bsc#1251165
* bsc#1251203
* bsc#1251787
* bsc#1253437
* bsc#1254451
Cross-References:
* CVE-2022-50233
* CVE-2022-50327
* CVE-2022-50409
* CVE-2022-50490
* CVE-2023-53676
* CVE-2024-58239
* CVE-2025-38476
* CVE-2025-38572
* CVE-2025-38608
* CVE-2025-40204
CVSS scores:
* CVE-2022-50233 ( 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-2022-50233 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2022-50233 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2022-50327 ( 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-2022-50327 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2022-50327 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2022-50409 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2022-50409 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2022-50409 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2022-50490 ( 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-2022-50490 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-53676 ( 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-2023-53676 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-58239 ( 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-2024-58239 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2024-58239 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-38476 ( 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-2025-38476 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38476 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38572 ( SUSE ): 9.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2025-38572 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38572 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-38608 ( SUSE ): 6.9
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2025-38608 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
* CVE-2025-38608 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2025-40204 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
* CVE-2025-40204 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:
* openSUSE Leap 15.4
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves 10 vulnerabilities can now be installed.
## Description:
This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.164 fixes
various security issues
The following security issues were fixed:
* CVE-2022-50233: bluetooth: device name can cause reading kernel memory by
not supplying terminal \0 (bsc#1249242).
* CVE-2022-50327: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return
value (bsc#1254451).
* CVE-2022-50409: net: If sock is dead don't access sock's sk_wq in
sk_stream_wait_memory (bsc#1250665).
* CVE-2022-50490: bpf: Propagate error from htab_lock_bucket() to userspace
(bsc#1251165).
* CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in
lio_target_nacl_info_show() (bsc#1251787).
* CVE-2024-58239: tls: stop recv() if initial process_rx_list gave us non-DATA
(bsc#1248615).
* CVE-2025-38476: rpl: Fix use-after-free in rpl_do_srh_inline()
(bsc#1251203).
* CVE-2025-38572: ipv6: reject malicious packets in ipv6_gso_segment()
(bsc#1248400).
* CVE-2025-38608: bpf, ktls: Fix data corruption when using bpf_msg_pop_data()
in ktls (bsc#1248670).
* CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).
## 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 15.4
zypper in -t patch SUSE-2026-175=1 SUSE-2026-168=1 SUSE-2026-177=1
SUSE-2026-178=1
* SUSE Linux Enterprise Live Patching 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-175=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2026-168=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2026-177=1 SUSE-SLE-Module-Live-Patching-15-SP4-2026-178=1
## Package List:
* openSUSE Leap 15.4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_39-debugsource-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_37-debugsource-13-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_40-debugsource-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_38-debugsource-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-13-150400.2.1
* kernel-livepatch-5_14_21-150400_24_158-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-13-150400.2.1
* kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-12-150400.2.1
* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_164-default-debuginfo-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_39-debugsource-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_161-default-debuginfo-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_37-debugsource-13-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_40-debugsource-12-150400.2.1
* kernel-livepatch-SLE15-SP4_Update_38-debugsource-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_164-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-debuginfo-13-150400.2.1
* kernel-livepatch-5_14_21-150400_24_158-default-12-150400.2.1
* kernel-livepatch-5_14_21-150400_24_153-default-13-150400.2.1
* kernel-livepatch-5_14_21-150400_24_158-default-debuginfo-12-150400.2.1
## References:
* https://www.suse.com/security/cve/CVE-2022-50233.html
* https://www.suse.com/security/cve/CVE-2022-50327.html
* https://www.suse.com/security/cve/CVE-2022-50409.html
* https://www.suse.com/security/cve/CVE-2022-50490.html
* https://www.suse.com/security/cve/CVE-2023-53676.html
* https://www.suse.com/security/cve/CVE-2024-58239.html
* https://www.suse.com/security/cve/CVE-2025-38476.html
* https://www.suse.com/security/cve/CVE-2025-38572.html
* https://www.suse.com/security/cve/CVE-2025-38608.html
* https://www.suse.com/security/cve/CVE-2025-40204.html
* https://bugzilla.suse.com/show_bug.cgi?id=1248400
* https://bugzilla.suse.com/show_bug.cgi?id=1248615
* https://bugzilla.suse.com/show_bug.cgi?id=1248670
* https://bugzilla.suse.com/show_bug.cgi?id=1249242
* https://bugzilla.suse.com/show_bug.cgi?id=1250665
* https://bugzilla.suse.com/show_bug.cgi?id=1251165
* https://bugzilla.suse.com/show_bug.cgi?id=1251203
* https://bugzilla.suse.com/show_bug.cgi?id=1251787
* https://bugzilla.suse.com/show_bug.cgi?id=1253437
* https://bugzilla.suse.com/show_bug.cgi?id=1254451
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