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SUSE: Kernel Important TLS Handling Issue CVE-2025-38616 Advisory

suse
Calendar Grey November 27, 2025
Dist Suse Esm H88
Important security update for SUSE Linux kernel addressing issues related to TLS data handling. Recommended installation steps provided.
* bsc#1249537 Cross-References: * CVE-2025-38616

Summary

## This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.70 fixes one security issue The following security issue was fixed: * CVE-2025-38616: tls: handle data disappearing from under the TLS ULP (bsc#1249537). ## 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-2025-4275=1 * SUSE Linux Enterprise Live Patching 15-SP6 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-4275=1 ## Package List: * openSUSE Leap 15.6 (ppc64le s390x x86_64) * kernel-livepatch-SLE15-SP6_Update_15-debugsource-4-150600.2.1 * kernel-livepatch-6_4_0-150600_23_70-default-4-150600.2.1

Topics%20covered

Topics Covered

security advisory SuSE DoS important kernel cve-2025-38616

References

* bsc#1249537

Cross-

* CVE-2025-38616

CVSS scores:

* CVE-2025-38616 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

* CVE-2025-38616 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Products:

* openSUSE Leap 15.6

* SUSE Linux Enterprise Live Patching 15-SP6

* SUSE Linux Enterprise Real Time 15 SP6

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-38616.html

* https://bugzilla.suse.com/show_bug.cgi?id=1249537

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4275-1
Release Date: 2025-11-27T10:04:14Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important kernel cve-2025-38616

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