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openSUSE: Kernel Important Update 2026:0191-1 for 10 Vulnerabilities

opensuse
Calendar Grey January 21, 2026
Dist Opensuse Esm H88
A critical kernel update for openSUSE fixes 10 important vulnerabilities. Prompt patching recommended to ensure security.
An update that solves 10 vulnerabilities can now be installed.

Description

This update for the SUSE Linux Enterprise kernel 5.14.21-150400.24.173 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:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel OpenSUSE research report

Patch

## 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-2026-191=1

* SUSE Linux Enterprise Live Patching 15-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2026-191=1

Package List

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_173-default-7-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-7-150400.2.1

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_173-default-7-150400.2.1

* kernel-livepatch-SLE15-SP4_Update_43-debugsource-7-150400.2.1

* kernel-livepatch-5_14_21-150400_24_173-default-debuginfo-7-150400.2.1

References

* bsc#1248400

* bsc#1248615

* bsc#1248670

* bsc#1249242

* bsc#1250665

* bsc#1251165

* bsc#1251203

* bsc#1251787

* bsc#1253437

* bsc#1254451

## 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

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0191-1
Release Date: 2026-01-20T21:05:44Z
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

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel OpenSUSE research report

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