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SUSE 15 SP5: Important Kernel Security Update for CVE-2025-40204 DoS Risk

suse
Calendar Grey December 23, 2025
Dist Suse Esm H88
Critical security update for SUSE Kernel addressing eight vulnerabilities and recommending immediate installation.
An update that solves eight vulnerabilities and has two security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP5 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-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786). * CVE-2024-53093: nvme-multipath: defer partition scanning (bsc#1233640). * CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780). * CVE-2025-40048: uio_hv_generic: Let userspace take care of interrupt mask (bsc#1252862). * 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 buffer overflow SuSE code execution important kernel

References

* bsc#1233640

* bsc#1249806

* bsc#1251786

* bsc#1252033

* bsc#1252267

* bsc#1252780

* bsc#1252862

* bsc#1253367

* bsc#1253431

* bsc#1253436

Cross-

* CVE-2022-50280

* CVE-2023-53676

* CVE-2024-53093

* CVE-2025-40040

* CVE-2025-40048

* 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-2023-53676 ( 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-2024-53093 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-53093 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4506-1
Release Date: 2025-12-22T16:39:04Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE code execution important kernel

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