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SUSE: Significant Linux Kernel Security Patch Released 2025:03406-1

suse
Calendar Grey September 29, 2025
Dist Suse Esm H88
SUSE announces an important security update for kernel addressing multiple vulnerabilities with installation instructions provided.
* bsc#1231862 * bsc#1245685 * bsc#1245795 * bsc#1246001 * bsc#1246356

Summary

## This update for the Linux Kernel 6.4.0-150600_23_22 fixes several issues. The following security issues were fixed: * CVE-2024-49860: ACPI: sysfs: validate return type of _STR method (bsc#1231862). * CVE-2025-38177: sch_hfsc: make hfsc_qlen_notify() idempotent (bsc#1246356). * CVE-2025-38109: net/mlx5: fix ECVF vports unload on shutdown flow (bsc#1245685). * CVE-2025-38181: calipso: Fix null-ptr-deref in calipso_req_{set,del}attr() (bsc#1246001). * CVE-2025-21756: vsock: Keep the binding until socket destruction (bsc#1245795). * CVE-2025-38498: do_change_type(): refuse to operate on unmounted/not ours mounts (bsc#1247499). * CVE-2025-38555: usb: gadget : fix use-after-free in composite_dev_cleanup() (bsc#1248298). ## Patch Instructions:

Topics%20covered

Topics Covered

security advisory security issue SuSE important kernel system crash

References

* bsc#1231862

* bsc#1245685

* bsc#1245795

* bsc#1246001

* bsc#1246356

* bsc#1247499

* bsc#1248298

Cross-

* CVE-2024-49860

* CVE-2025-21756

* CVE-2025-38109

* CVE-2025-38177

* CVE-2025-38181

* CVE-2025-38498

* CVE-2025-38555

CVSS scores:

* CVE-2024-49860 ( 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-2024-49860 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-49860 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* CVE-2025-21756 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-21756 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38109 ( 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:03406-1
Release Date: 2025-09-28T01:04:01Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE important kernel system crash

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