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SUSE: Kernel Important Security Update CVE-2025-38000 DoS 2025:03222-1

suse
Calendar Grey September 15, 2025
Dist Suse Esm H88
A new security update for the SUSE Linux Kernel addresses critical vulnerabilities and urgent threats. Users should follow the patch guidelines without delay
* bsc#1244235 * bsc#1245505 * bsc#1245775 * bsc#1246030 * bsc#1248108

Summary

## This update for the Linux Kernel 6.4.0-150700_53_3 fixes several issues. The following security issues were fixed: * CVE-2025-38087: net/sched: fix use-after-free in taprio_dev_notifier (bsc#1245504). * CVE-2025-38001: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice (bsc#1244235). * CVE-2025-38000: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() (bsc#1245775). * CVE-2025-38212: ipc: fix to protect IPCS lookups using RCU (bsc#1246030). ## 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 15.6 zypper in -t patch SUSE-2025-3222=1 * SUSE Linux Enterprise Live Patching 15-SP6

Topics%20covered

Topics Covered

security advisory SuSE DoS important kernel use-after-free

References

* bsc#1244235

* bsc#1245505

* bsc#1245775

* bsc#1246030

* bsc#1248108

Cross-

* CVE-2025-38000

* CVE-2025-38001

* CVE-2025-38087

* CVE-2025-38212

CVSS scores:

* CVE-2025-38000 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38000 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38001 ( 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-2025-38001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38087 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38087 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38212 ( 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-2025:03222-1
Release Date: 2025-09-15T10:34:35Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important kernel use-after-free

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