The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security
bugfixes.
The following security bugs were fixed:
* CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()
(bsc#1254992).
* CVE-2024-38542: RDMA/mana_ib: boundary check before installing cq callbacks
(bsc#1226591).
* CVE-2025-37861: scsi: mpi3mr: Synchronous access b/w reset and tm thread for
reply queue (bsc#1243055).
* CVE-2025-39817: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
(bsc#1249998).
* CVE-2025-39964: crypto: af_alg - Disallow concurrent writes in
af_alg_sendmsg (bsc#1251966).
* CVE-2025-40099: cifs: parse_dfs_referrals: prevent oob on malformed input
(bsc#1252911).
* CVE-2025-40103: smb: client: Fix refcount leak for cifs_sb_tlink
(bsc#1252924).
* CVE-2025-40253: s390/ctcm: Fix double-kfree (bsc#1255084).
* CVE-2025-71066: net/sched: ets: Always remove class from active list before
deleting in ets_qdisc_change...
Read the Full Advisory## 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-2026-1041=1 openSUSE-SLE-15.6-2026-1041=1
* SUSE Linux Enterprise High Availability Extension 15 SP6
zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-1041=1
* SUSE Linux Enterprise Server 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1041=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1041=1
* SUSE Linux Enterprise Live Patching 15-SP6
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP6-2026-1041=1
* openSUSE Leap 15.6 (ppc64le s390x x86_64)
* kernel-livepatch-6_4_0-150600_23_92-default-1-150600.13.5.1
* kernel-livepatch-SLE15-SP6_Update_21-debugsource-1-150600.13.5.1
* kernel-default-livepatch-devel-6.4.0-150600.23.92.1
* kernel-livepatch-6_4_0-150600_23_92-default-debuginfo-1-150600.13.5.1
* openSUSE Leap 15.6 (noarch nosrc)
* kernel-docs-6.4.0-150600.23.92.1
* openSUSE Leap 15.6 (noarch)
* kernel-docs-html-6.4.0-150600.23.92.1
* kernel-source-vanilla-6.4.0-150600.23.92.1
* kernel-source-6.4.0-150600.23.92.1
* kernel-macros-6.4.0-150600.23.92.1
* kernel-devel-6.4.0-150600.23.92.1
* openSUSE Leap 15.6 (nosrc ppc64le x86_64)
* kernel-debug-6.4.0-150600.23.92.1
* openSUSE Leap 15.6 (ppc64le x86_64)
* kernel-debug-debuginfo-6.4.0-150600.23.92.1
* kernel-debug-devel-debuginfo-6.4.0-150600.23.92.1
* kernel-debug-debugsource-6.4.0-150600.23.92.1
* kernel-debug-devel-6.4.0-150600.23.92.1
* openSUSE Leap 15.6 (x86_64)
* kernel-default-vdso-debuginfo-6.4.0-150600.23.92.1
*...
Read the Full Advisory* bsc#1226591
* bsc#1241345
* bsc#1243055
* bsc#1245728
* bsc#1249998
* bsc#1251135
* bsc#1251186
* bsc#1251966
* bsc#1251971
* bsc#1252266
* bsc#1252911
* bsc#1252924
* bsc#1253049
* bsc#1254306
* bsc#1254992
* bsc#1255084
* bsc#1256564
* bsc#1256645
* bsc#1256690
* bsc#1256716
* bsc#1257231
* bsc#1257466
* bsc#1257472
* bsc#1257473
* bsc#1257732
* bsc#1257735
* bsc#1257749
* bsc#1257790
* bsc#1257891
* bsc#1257952
* bsc#1258181
* bsc#1258338
* bsc#1258340
* bsc#1258376
* bsc#1258377
* bsc#1258395
* bsc#1258424
* bsc#1258464
* bsc#1258518
* bsc#1258524
* bsc#1258832
* bsc#1258849
* bsc#1258850
* bsc#1258928
* bsc#1259070
* bsc#1259857
## References:
* https://www.suse.com/security/cve/CVE-2023-53817.html
* https://www.suse.com/security/cve/CVE-2024-38542.html
* https://www.suse.com/security/cve/CVE-2025-37861.html
* https://www.suse.com/security/cve/CVE-2025-39817.html
* https://www.suse.com/security/cve/CVE-2025-39964.html
* https://www.suse.com/security/cve/CVE-2025-40099.html
* https://www.suse.com/security/cve/CVE-2025-40103.html
*...
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