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High · 8.8 CVE-2026-53354 EUVD-2026-40988GHSA-j98r-r99h-p736

arm64: errata: Mitigate TLBI errata on various Arm CPUs

Published Jul 1, 2026 · Updated Oct 19, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.17 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-7.0 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.14 Package: linux-azure-6.17 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-7.0 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.15 Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.14 Package: linux-azure-fde-6.17 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fde-7.0 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-azure-nvidia-6.14 Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.17 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-7.0 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.14 Package: linux-hwe-6.17 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-7.0 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.17 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-7.0 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.14 Package: linux-oem-6.17 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oem-7.0 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.17 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-oracle-7.0 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-realtime-6.17 Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.17 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-riscv-7.0 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

arm64: errata: Mitigate TLBI errata on various Arm CPUs

A number of CPUs developed by Arm suffer from errata whereby a broadcast
TLBI;DSB sequence may complete before the global observation of writes
which are translated by an affected TLB entry.

These errata ONLY affect the completion of memory accesses which have
been translated by an invalidated TLB entry, and these errata DO NOT
affect the actual invalidation of TLB entries. TLB entries are removed
correctly.

This issue has been assigned CVE ID CVE-2025-10263.

To mitigate this issue, Arm recommends that software follows any
affected TLBI;DSB sequence with an additional TLBI;DSB, which will
ensure that all memory write effects affected by the first TLBI have
been globally observed. The additional TLBI can use any operation that
is broadcast to affected CPUs, and the additional DSB can use any option
that is sufficient to complete the additional TLBI.

The ARM64_WORKAROUND_REPEAT_TLBI workaround is sufficient to mitigate
the issue. Enable this workaround for affected CPUs, and update the
silicon errata documentation accordingly.

Note that due to the manner in which Arm develops IP and tracks errata,
some CPUs share a common erratum number.

Affected products

VendorProductAffectedFixed
Linux Linux 3.7 5.10.259

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 7.0.13-1 —
Debian 13 linux 6.12.94-1 —
Debian 12 linux 6.1.176-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1031.36 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1100.102 —
Ubuntu 26.04 LTS linux 7.0.0-31.31 USN-8726-1
Ubuntu 26.04 LTS linux-aws 7.0.0-1012.12 USN-8726-1
Ubuntu 26.04 LTS linux-azure 7.0.0-1014.14 USN-8726-4
Ubuntu 26.04 LTS linux-gcp +1 7.0.0-1011.11 USN-8726-4, USN-8726-1
Ubuntu 26.04 LTS linux-gke 7.0.0-1006.7 USN-8726-1
Ubuntu 26.04 LTS linux-ibm +2 7.0.0-1013.13 USN-8727-1, USN-8726-3
Ubuntu 26.04 LTS linux-nvidia 7.0.0-1015.15 USN-8622-1
Ubuntu 26.04 LTS linux-raspi 7.0.0-1019.19 USN-8726-2
Ubuntu 26.04 LTS linux-riscv +1 7.0.0-31.31.1 USN-8726-1
Ubuntu 25.10 linux +8 No fix yet —
Ubuntu 24.04 LTS linux 6.8.0-142.142 USN-8817-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1065.68 USN-8817-3
Ubuntu 24.04 LTS linux-aws-7.0 7.0.0-1012.12~24.04.1 USN-8726-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1068.76 USN-8817-1
Ubuntu 24.04 LTS linux-azure-7.0 7.0.0-1014.14~24.04.1 USN-8728-2
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1066.73 USN-8817-1
Ubuntu 24.04 LTS linux-azure-fde-7.0 7.0.0-1013.13~24.04.1 —
Ubuntu 24.04 LTS linux-gcp 6.8.0-1069.77 USN-8817-1
Ubuntu 24.04 LTS linux-gcp-7.0 +1 7.0.0-1011.11~24.04.1 USN-8728-3, USN-8728-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1064.72 USN-8817-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1050.54 USN-8817-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-31.31~24.04.1 USN-8726-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1065.66 USN-8817-1
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-142.142.1 USN-8817-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1059.62 USN-8596-1
Ubuntu 24.04 LTS linux-nvidia-6.17 6.17.0-1029.29 USN-8623-1
Ubuntu 24.04 LTS linux-nvidia-7.0 7.0.0-1015.15~24.04.1 USN-8622-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1059.62.1 USN-8596-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1035.38 USN-8781-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1062.65 USN-8817-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1065.69 USN-8817-1
Ubuntu 24.04 LTS linux-riscv +28 No fix yet —
Ubuntu 24.04 LTS linux-riscv-7.0 7.0.0-31.31.1~24.04.1 —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1008.8 —
Show 19 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux +1 5.15.0-194.204 USN-8818-4, USN-8818-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1116.123 USN-8818-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1065.68~22.04.1 USN-8817-3
Ubuntu 22.04 LTS linux-azure 5.15.0-1122.131 USN-8818-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1068.76~22.04.1 USN-8817-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1121.130 USN-8818-1
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1066.73~22.04.1 USN-8817-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1117.127 USN-8818-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1069.77~22.04.1 USN-8817-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1112.118 USN-8818-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1099.107 USN-8818-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-149.149~22.04.1 USN-9066-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1110.114 USN-8818-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1066.67~22.04.1 USN-8906-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1111.117 USN-8818-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1108.113 USN-8818-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-142.142.1~22.04.1 USN-8817-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1111.112 USN-8818-4
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1059.62~22.04.1 USN-8596-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1068.70 USN-8818-5
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1057.57 USN-8818-5
Ubuntu 22.04 LTS linux-oracle 5.15.0-1113.119 USN-8818-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1062.65~22.04.1 USN-8817-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1110.113 USN-8871-1
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-142.142~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1079.83 USN-8818-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2054.56 USN-8817-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1060.61 USN-8817-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 +1 No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1108.110 USN-8818-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1115.124 USN-8818-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1060.61~22.04.1 USN-8817-1
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1065.68+fips1 USN-8817-2
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-142.142+fips1 USN-8817-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips +1 6.8.0-1068.76+fips1 USN-8817-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1116.123+fips1 USN-8818-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1122.131+fips1 USN-8818-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-194.204+fips1 USN-8818-6
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1116.126+fips1 USN-8818-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux +10 No fix yet —
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1116.123~20.04.1 USN-8818-3
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1122.131~20.04.1 USN-8818-3
Ubuntu Pro 20.04 LTS linux-azure-fde-5.15 5.15.0-1121.130~20.04.1 USN-8818-3
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1118.128~20.04.1 USN-8878-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-194.204~20.04.1 USN-8818-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1110.114~20.04.1 USN-8818-2
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1111.117~20.04.1 USN-8818-3
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1068.70~20.04.1 USN-8849-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1114.120~20.04.1 USN-8879-1
Ubuntu Pro 18.04 LTS linux +12 No fix yet —
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux +3 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +7 6.4.0-150700.53.78.1 SUSE-SU-2026:3790-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.78.1.150700.17.43.2 SUSE-SU-2026:3790-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.130.1.150600.12.60.3 SUSE-SU-2026:3602-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.323.1 SUSE-SU-2026:3594-1
Show 11 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP6 kernel-default-base 6.4.0-150600.23.130.1.150600.12.60.3 SUSE-SU-2026:3602-1
SLES for SAP 15 SP6 kernel-docs +4 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Micro 6.1 kernel-rt +4 6.4.0-51.1 SUSE-SU-2026:23194-1, SUSE-SU-2026:23193-1
SLE Micro 6.0 kernel-rt +4 6.4.0-51.1 SUSE-SU-2026:23244-1, SUSE-SU-2026:23241-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLE Micro 5.4 kernel-source +1 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
SLE Micro 5.3 kernel-source +1 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.78.1 SUSE-SU-2026:3790-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_20 1-150700.15.3.2 SUSE-SU-2026:3790-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.130.1 SUSE-SU-2026:3602-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_30 1-150600.13.5.1 SUSE-SU-2026:3602-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_58 1-150400.9.7.1 SUSE-SU-2026:3593-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.323.1 SUSE-SU-2026:3594-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_86 1-8.3.1 SUSE-SU-2026:3594-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.235.1 SUSE-SU-2026:3593-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.235.1.150400.24.118.3 SUSE-SU-2026:3593-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 7.1.2-1.1 openSUSE-SU-2026:11175-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.18.36-69.134 +2 1:1.0-0.amzn2023 ALAS2023-2026-1968, ALAS2023-2026-1925, ALAS2023-2026-1924
Amazon Linux 2023 perf +11 1:6.1.176-220.358.amzn2023 ALAS2023-2026-1924
Amazon Linux 2023 perf6.12 +11 1:6.12.94-123.174.amzn2023 ALAS2023-2026-1968
Amazon Linux 2023 perf6.18 +12 1:6.18.36-69.134.amzn2023 ALAS2023-2026-1925

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.143.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-206.104.3.3.el10uek ELSA-2026-500248

Advisories 41

References