CVE-2026-64561 ( SUSE ): 9.3 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVE-2026-64561 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVE-2026-64561 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVE-2026-64564 ( 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-2026-64564 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2026-64564 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2026-68138 ( 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-2026-68138 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2026-68138 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SUSE Linux Enterprise Live Patching 15-SP7
SUSE Linux Enterprise Real Time 15 SP7
SUSE Linux Enterprise Server 15 SP7
SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves four vulnerabilities can now be installed.
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.73 fixes various security issues:
The following security issues were fixed:
CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1275458).
CVE-2026-64561: KVM: x86: Check for invalid/obsolete root after making MMU pages available (Zapscape) (bsc#1273232).
CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (SCTPhantom) (bsc#1274074).
CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent get/put (bsc#1274942).
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 15-SP7 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-4383
SUSE Linux Enterprise Live Patching 15-SP7 (ppc64le s390x x86_64) kernel-livepatch-6_4_0-150700_53_73-default-debuginfo-3-150700.2.1 kernel-livepatch-SLE15-SP7_Update_19-debugsource-3-150700.2.1 kernel-livepatch-6_4_0-150700_53_73-default-3-150700.2.1
kernel-livepatch-6_4_0-150700_53_73-default-debuginfo-3-150700.2.1
kernel-livepatch-SLE15-SP7_Update_19-debugsource-3-150700.2.1
kernel-livepatch-6_4_0-150700_53_73-default-3-150700.2.1
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
