Security update for the Linux Kernel RT (Live Patch 10 for SLE 15 SP6)
Announcement ID: | SUSE-SU-2025:02637-1 |
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Release Date: | 2025-08-04T11:34:13Z |
Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves three vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 6.4.0-150600_10_34 fixes several issues.
The following security issues were fixed:
- CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793).
- CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776).
- CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).
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:
-
SUSE Linux Enterprise Live Patching 12-SP5
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2025-2637=1 SUSE-SLE-Live-Patching-12-SP5-2025-2622=1 SUSE-SLE-Live-Patching-12-SP5-2025-2663=1
-
openSUSE Leap 15.3
zypper in -t patch SUSE-2025-2650=1
-
SUSE Linux Enterprise Live Patching 15-SP3
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2025-2650=1
-
openSUSE Leap 15.5
zypper in -t patch SUSE-2025-2654=1 SUSE-2025-2642=1
-
SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2025-2654=1 SUSE-SLE-Module-Live-Patching-15-SP5-2025-2642=1
-
SUSE Linux Enterprise Live Patching 15-SP6
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2025-2635=1
Package List:
-
SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
- kgraft-patch-4_12_14-122_244-default-7-2.1
- kgraft-patch-4_12_14-122_247-default-5-2.1
- kgraft-patch-4_12_14-122_255-default-4-2.1
-
openSUSE Leap 15.3 (ppc64le s390x x86_64)
- kernel-livepatch-5_3_18-150300_59_198-default-5-150300.2.1
- kernel-livepatch-SLE15-SP3_Update_55-debugsource-5-150300.2.1
- kernel-livepatch-5_3_18-150300_59_198-default-debuginfo-5-150300.2.1
-
openSUSE Leap 15.3 (x86_64)
- kernel-livepatch-5_3_18-150300_59_198-preempt-5-150300.2.1
- kernel-livepatch-5_3_18-150300_59_198-preempt-debuginfo-5-150300.2.1
-
SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
- kernel-livepatch-5_3_18-150300_59_198-default-5-150300.2.1
-
openSUSE Leap 15.5 (ppc64le s390x x86_64)
- kernel-livepatch-SLE15-SP5_Update_24-debugsource-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-4-150500.2.1
- kernel-livepatch-SLE15-SP5_Update_23-debugsource-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_94-default-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_97-default-4-150500.2.1
-
SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
- kernel-livepatch-SLE15-SP5_Update_24-debugsource-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_94-default-debuginfo-4-150500.2.1
- kernel-livepatch-SLE15-SP5_Update_23-debugsource-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_97-default-debuginfo-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_94-default-4-150500.2.1
- kernel-livepatch-5_14_21-150500_55_97-default-4-150500.2.1
-
SUSE Linux Enterprise Live Patching 15-SP6 (x86_64)
- kernel-livepatch-6_4_0-150600_10_34-rt-debuginfo-3-150600.2.1
- kernel-livepatch-SLE15-SP6-RT_Update_10-debugsource-3-150600.2.1
- kernel-livepatch-6_4_0-150600_10_34-rt-3-150600.2.1
References:
- https://www.suse.com/security/cve/CVE-2025-21702.html
- https://www.suse.com/security/cve/CVE-2025-37752.html
- https://www.suse.com/security/cve/CVE-2025-37797.html
- https://bugzilla.suse.com/show_bug.cgi?id=1245776
- https://bugzilla.suse.com/show_bug.cgi?id=1245793
- https://bugzilla.suse.com/show_bug.cgi?id=1245797