openSUSE: Kernel Important mptcp Use-After-Free & TLS Issues 2025:4265-1
opensuse
November 26, 2025
An update that solves three vulnerabilities can now be installed.
Description
This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.47 fixes
various security issues
The following security issues were fixed:
* CVE-2025-23145: mptcp: fix NULL pointer in can_accept_new_subflow
(bsc#1242882).
* CVE-2025-38500: xfrm: interface: fix use-after-free after changing
collect_md xfrm interface (bsc#1248672).
* CVE-2025-38616: tls: handle data disappearing from under the TLS ULP
(bsc#1249537).
Topics Covered
Patch
## 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-2025-4267=1 SUSE-2025-4265=1 SUSE-2025-4266=1
* SUSE Linux Enterprise Live Patching 15-SP6
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-4267=1 SUSE-SLE-
Module-Live-Patching-15-SP6-2025-4265=1 SUSE-SLE-Module-Live-
Patching-15-SP6-2025-4266=1
Package List
* openSUSE Leap 15.6 (ppc64le s390x x86_64)
* kernel-livepatch-6_4_0-150600_23_38-default-debuginfo-11-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_8-debugsource-11-150600.2.1
* kernel-livepatch-6_4_0-150600_23_47-default-debuginfo-10-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_9-debugsource-11-150600.2.1
* kernel-livepatch-6_4_0-150600_23_42-default-debuginfo-11-150600.2.1
* kernel-livepatch-6_4_0-150600_23_47-default-10-150600.2.1
* kernel-livepatch-6_4_0-150600_23_42-default-11-150600.2.1
* kernel-livepatch-6_4_0-150600_23_38-default-11-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_10-debugsource-10-150600.2.1
* SUSE Linux Enterprise Live Patching 15-SP6 (ppc64le s390x x86_64)
* kernel-livepatch-6_4_0-150600_23_38-default-debuginfo-11-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_8-debugsource-11-150600.2.1
* kernel-livepatch-6_4_0-150600_23_47-default-debuginfo-10-150600.2.1
* kernel-livepatch-SLE15-SP6_Update_9-debugsource-11-150600.2.1
*...
Read the Full AdvisoryReferences
* bsc#1242882
* bsc#1248672
* bsc#1249537
## References:
* https://www.suse.com/security/cve/CVE-2025-23145.html
* https://www.suse.com/security/cve/CVE-2025-38500.html
* https://www.suse.com/security/cve/CVE-2025-38616.html
* https://bugzilla.suse.com/show_bug.cgi?id=1242882
* https://bugzilla.suse.com/show_bug.cgi?id=1248672
* https://bugzilla.suse.com/show_bug.cgi?id=1249537
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2025:4265-1
Release Date: 2025-11-26T19:33:40Z
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
Topics Covered
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