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SUSE: Kernel Important Security Fix for Multiple Issues SUSE-SU-2026:0032-1

suse
Calendar Grey January 6, 2026
Dist Suse Esm H88
Update addressing multiple vulnerabilities in SUSE Linux kernel, enhances system security and stability.
An update that solves eight vulnerabilities and has one security fix can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2022-50280: pnode: terminate at peers of source (bsc#1249806). * CVE-2023-53659: iavf: Fix out-of-bounds when setting channels on remove (bsc#1251247). * CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786). * CVE-2023-53717: wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback() (bsc#1252560). * CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780). * CVE-2025-40121: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping (bsc#1253367). * CVE-2025-40154: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (bsc#1253431).

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel SUSE Linux Enterprise

References

* bsc#1228688

* bsc#1249806

* bsc#1251247

* bsc#1251786

* bsc#1252560

* bsc#1252780

* bsc#1253367

* bsc#1253431

* bsc#1253436

Cross-

* CVE-2022-50280

* CVE-2023-53659

* CVE-2023-53676

* CVE-2023-53717

* CVE-2025-40040

* CVE-2025-40121

* CVE-2025-40154

* CVE-2025-40204

CVSS scores:

* CVE-2022-50280 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2022-50280 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2023-53659 ( 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-2023-53659 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0032-1
Release Date: 2026-01-05T19:24:53Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue DoS important kernel SUSE Linux Enterprise

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