Security update for the Linux Kernel

Announcement ID: SUSE-SU-2026:1907-1
Release Date: 2026-05-17T17:13:00Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-54518 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-54518 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-54518 ( NVD ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • CVE-2026-43284 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-43284 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-43284 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-43500 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-43500 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-46300 ( SUSE ): 8.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-46300 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • CVE-2026-46333 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.5
  • SUSE Linux Enterprise High Performance Computing 15 SP5
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  • SUSE Linux Enterprise Live Patching 15-SP5
  • SUSE Linux Enterprise Micro 5.5
  • SUSE Linux Enterprise Real Time 15 SP5
  • SUSE Linux Enterprise Server 15 SP5
  • SUSE Linux Enterprise Server 15 SP5 LTSS
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves five vulnerabilities can now be installed.

Description:

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix the following issue:

Security issues fixed:

  • CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
  • CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450).
  • CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013).
  • CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).
  • CVE-2026-46333: Fixed logic bug in the Linux kernel's __ptrace_may_access() function (bsc#1265308).

Other issues fixed:

  • io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git-fixes).

Special Instructions and Notes:

  • Please reboot the system after installing this update.

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 15.5
    zypper in -t patch SUSE-2026-1907=1
  • SUSE Linux Enterprise Micro 5.5
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1907=1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1907=1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1907=1
  • SUSE Linux Enterprise Server 15 SP5 LTSS
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1907=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1907=1
  • SUSE Linux Enterprise Live Patching 15-SP5
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-1907=1

Package List:

  • openSUSE Leap 15.5 (ppc64le s390x x86_64)
    • kernel-livepatch-5_14_21-150500_55_163-default-debuginfo-1-150500.11.5.1
    • kernel-livepatch-SLE15-SP5_Update_39-debugsource-1-150500.11.5.1
    • kernel-default-livepatch-devel-5.14.21-150500.55.163.1
    • kernel-livepatch-5_14_21-150500_55_163-default-1-150500.11.5.1
  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
    • kernel-obs-build-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-devel-5.14.21-150500.55.163.1
    • dlm-kmp-default-5.14.21-150500.55.163.1
    • gfs2-kmp-default-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-5.14.21-150500.55.163.1
    • dlm-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kselftests-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-optional-debuginfo-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-optional-5.14.21-150500.55.163.1
    • kernel-syms-5.14.21-150500.55.163.1
    • kernel-default-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-obs-qa-5.14.21-150500.55.163.1
    • kselftests-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • kernel-default-extra-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-obs-build-debugsource-5.14.21-150500.55.163.1
    • kernel-default-livepatch-5.14.21-150500.55.163.1
    • kernel-default-extra-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (nosrc s390x)
    • kernel-zfcpdump-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (s390x)
    • kernel-zfcpdump-debuginfo-5.14.21-150500.55.163.1
    • kernel-zfcpdump-debugsource-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (aarch64 ppc64le x86_64)
    • kernel-default-base-rebuild-5.14.21-150500.55.163.1.150500.6.75.7
    • kernel-kvmsmall-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-kvmsmall-debugsource-5.14.21-150500.55.163.1
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
    • kernel-kvmsmall-debuginfo-5.14.21-150500.55.163.1
    • kernel-kvmsmall-devel-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 nosrc)
    • kernel-default-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (aarch64 nosrc ppc64le x86_64)
    • kernel-kvmsmall-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (aarch64)
    • dtb-broadcom-5.14.21-150500.55.163.1
    • dtb-xilinx-5.14.21-150500.55.163.1
    • dtb-sprd-5.14.21-150500.55.163.1
    • gfs2-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-optional-5.14.21-150500.55.163.1
    • dtb-amd-5.14.21-150500.55.163.1
    • dtb-exynos-5.14.21-150500.55.163.1
    • reiserfs-kmp-64kb-5.14.21-150500.55.163.1
    • kernel-64kb-devel-debuginfo-5.14.21-150500.55.163.1
    • dtb-freescale-5.14.21-150500.55.163.1
    • dtb-nvidia-5.14.21-150500.55.163.1
    • dtb-rockchip-5.14.21-150500.55.163.1
    • kselftests-kmp-64kb-5.14.21-150500.55.163.1
    • kernel-64kb-devel-5.14.21-150500.55.163.1
    • dtb-renesas-5.14.21-150500.55.163.1
    • ocfs2-kmp-64kb-5.14.21-150500.55.163.1
    • dtb-mediatek-5.14.21-150500.55.163.1
    • dtb-lg-5.14.21-150500.55.163.1
    • dtb-amlogic-5.14.21-150500.55.163.1
    • dtb-hisilicon-5.14.21-150500.55.163.1
    • dtb-qcom-5.14.21-150500.55.163.1
    • kernel-64kb-extra-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-debuginfo-5.14.21-150500.55.163.1
    • dtb-allwinner-5.14.21-150500.55.163.1
    • reiserfs-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • dtb-altera-5.14.21-150500.55.163.1
    • dlm-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-64kb-5.14.21-150500.55.163.1
    • kernel-64kb-optional-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-64kb-5.14.21-150500.55.163.1
    • dtb-arm-5.14.21-150500.55.163.1
    • kernel-64kb-extra-5.14.21-150500.55.163.1
    • kselftests-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-debugsource-5.14.21-150500.55.163.1
    • dtb-socionext-5.14.21-150500.55.163.1
    • dtb-marvell-5.14.21-150500.55.163.1
    • dtb-amazon-5.14.21-150500.55.163.1
    • dtb-cavium-5.14.21-150500.55.163.1
    • dtb-apm-5.14.21-150500.55.163.1
    • ocfs2-kmp-64kb-debuginfo-5.14.21-150500.55.163.1
    • dtb-apple-5.14.21-150500.55.163.1
    • dlm-kmp-64kb-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (nosrc)
    • dtb-aarch64-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (noarch nosrc)
    • kernel-docs-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (noarch)
    • kernel-source-vanilla-5.14.21-150500.55.163.1
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-docs-html-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
    • kernel-devel-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (x86_64)
    • kernel-kvmsmall-vdso-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-vdso-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-vdso-5.14.21-150500.55.163.1
    • kernel-kvmsmall-vdso-5.14.21-150500.55.163.1
  • openSUSE Leap 15.5 (aarch64 nosrc)
    • kernel-64kb-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64 nosrc)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Micro 5.5 (aarch64 x86_64)
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
  • SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Micro 5.5 (noarch)
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
    • kernel-obs-build-5.14.21-150500.55.163.1
    • dlm-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-obs-build-debugsource-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-devel-5.14.21-150500.55.163.1
    • kernel-default-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-syms-5.14.21-150500.55.163.1
    • dlm-kmp-default-5.14.21-150500.55.163.1
    • gfs2-kmp-default-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 nosrc)
    • kernel-64kb-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64)
    • kernel-64kb-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-devel-5.14.21-150500.55.163.1
    • kernel-64kb-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-debugsource-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 nosrc x86_64)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
    • kernel-devel-5.14.21-150500.55.163.1
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch nosrc)
    • kernel-docs-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
    • kernel-obs-build-5.14.21-150500.55.163.1
    • dlm-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-obs-build-debugsource-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-devel-5.14.21-150500.55.163.1
    • kernel-default-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-syms-5.14.21-150500.55.163.1
    • dlm-kmp-default-5.14.21-150500.55.163.1
    • gfs2-kmp-default-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 nosrc)
    • kernel-64kb-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64)
    • kernel-64kb-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-devel-5.14.21-150500.55.163.1
    • kernel-64kb-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-debugsource-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 nosrc x86_64)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
    • kernel-devel-5.14.21-150500.55.163.1
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch nosrc)
    • kernel-docs-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • kernel-obs-build-5.14.21-150500.55.163.1
    • dlm-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-5.14.21-150500.55.163.1
    • kernel-obs-build-debugsource-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-5.14.21-150500.55.163.1
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-devel-5.14.21-150500.55.163.1
    • kernel-default-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-syms-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • dlm-kmp-default-5.14.21-150500.55.163.1
    • gfs2-kmp-default-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 nosrc)
    • kernel-64kb-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64)
    • kernel-64kb-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-devel-5.14.21-150500.55.163.1
    • kernel-64kb-debuginfo-5.14.21-150500.55.163.1
    • kernel-64kb-debugsource-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64 nosrc)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le x86_64)
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
  • SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
    • kernel-devel-5.14.21-150500.55.163.1
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (noarch nosrc)
    • kernel-docs-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (nosrc s390x)
    • kernel-zfcpdump-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server 15 SP5 LTSS (s390x)
    • kernel-zfcpdump-debuginfo-5.14.21-150500.55.163.1
    • kernel-zfcpdump-debugsource-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (nosrc ppc64le x86_64)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    • kernel-obs-build-5.14.21-150500.55.163.1
    • dlm-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • gfs2-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-5.14.21-150500.55.163.1
    • kernel-obs-build-debugsource-5.14.21-150500.55.163.1
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-default-base-5.14.21-150500.55.163.1.150500.6.75.7
    • kernel-default-devel-5.14.21-150500.55.163.1
    • kernel-default-devel-debuginfo-5.14.21-150500.55.163.1
    • kernel-syms-5.14.21-150500.55.163.1
    • cluster-md-kmp-default-5.14.21-150500.55.163.1
    • reiserfs-kmp-default-debuginfo-5.14.21-150500.55.163.1
    • dlm-kmp-default-5.14.21-150500.55.163.1
    • gfs2-kmp-default-5.14.21-150500.55.163.1
    • ocfs2-kmp-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
    • kernel-devel-5.14.21-150500.55.163.1
    • kernel-source-5.14.21-150500.55.163.1
    • kernel-macros-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch nosrc)
    • kernel-docs-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (nosrc)
    • kernel-default-5.14.21-150500.55.163.1
  • SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
    • kernel-default-livepatch-devel-5.14.21-150500.55.163.1
    • kernel-default-debugsource-5.14.21-150500.55.163.1
    • kernel-livepatch-5_14_21-150500_55_163-default-debuginfo-1-150500.11.5.1
    • kernel-default-livepatch-5.14.21-150500.55.163.1
    • kernel-default-debuginfo-5.14.21-150500.55.163.1
    • kernel-livepatch-SLE15-SP5_Update_39-debugsource-1-150500.11.5.1
    • kernel-livepatch-5_14_21-150500_55_163-default-1-150500.11.5.1

References: