In the Linux kernel, the following vulnerability has been resolved:
arm64: mte: Do not warn if the page is already tagged in copy_highpage()
The arm64 copy_highpage() assumes that the destination page is newly allocated and not MTE-tagged (PG_mte_tagged unset) and warns accordingly. However, following commit 060913999d7a ("mm: migrate: support poisoned recover from migrate folio"), folio_mc_copy() is called before __folio_migrate_mapping(). If the latter fails (-EAGAIN), the copy will be done again to the same destination page. Since copy_highpage() already set the PG_mte_tagged flag, this second copy will warn.
Replace the WARN_ON_ONCE(page already tagged) in the arm64 copy_highpage() with a comment.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12-debuginfoUpgrade kernel6.12-libbpf-staticUpgrade kernel6.12-toolsUpgrade kernel6.12-tools-debuginfoUpgrade python3-perf6.12Upgrade python3-perf6.12-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-modules-extraUpgrade kernel6.12-develUpgrade kernel-livepatch-6.12.58-82.121Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-debuginfoUpgrade kernel6.12-libbpfUpgrade kernel6.12-tools-develUpgrade kernel6.12-headersUpgrade kernel6.12Upgrade bpftool6.12Upgrade kernel6.12-libbpf-develUpgrade bpftool6.12-debuginfoUpgrade perf6.12Upgrade kernel6.12-libbpf-debuginfo | Mar 27, 2026 | Dec 16, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 16, 2025 |
| Ubuntu | — | Upgrade linux-image-azure-6.17Upgrade linux-image-6.8.1-1045-realtimeUpgrade linux-image-generic-64kUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-xilinxUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-106-generic-64kUpgrade linux-image-6.8.0-1052-azure-fipsUpgrade linux-image-6.8.0-1048-gkeUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1050-awsUpgrade linux-image-6.8.0-1035-gkeopUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-gkeUpgrade linux-image-raspi-6.17Upgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1049-ibmUpgrade linux-image-6.8.0-1047-oracleUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-virtualUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1049-nvidiaUpgrade linux-image-aws-64kUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-gkeopUpgrade linux-image-6.8.0-1049-nvidia-lowlatencyUpgrade linux-image-gke-64k-6.8Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-intel-iotgUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-virtual-6.17Upgrade linux-image-azure-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-oracle-6.8Upgrade linux-image-realtimeUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-22.04Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-6.17.0-14-generic-64kUpgrade linux-image-generic-6.17Upgrade linux-image-6.8.0-1052-gcp-64kUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1049-nvidia-64kUpgrade linux-image-aws-6.17Upgrade linux-image-realtime-6.17Upgrade linux-image-6.8.0-106-fipsUpgrade linux-image-genericUpgrade linux-image-6.17.0-1006-realtimeUpgrade linux-image-6.8.0-1029-xilinxUpgrade linux-image-oem-22.04bUpgrade linux-image-6.17.0-1007-oracleUpgrade linux-image-6.17.0-1007-oracle-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-64k-6.17Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-awsUpgrade linux-image-aws-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-nvidia-6.8Upgrade linux-image-oracle-6.17Upgrade linux-image-xilinx-6.8Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1049-nvidia-lowlatency-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-106-lowlatencyUpgrade linux-image-6.8.0-1050-raspiUpgrade linux-image-aws-fips-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1047-oracle-64kUpgrade linux-image-aws-fipsUpgrade linux-image-virtual-6.8Upgrade linux-image-oracleUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-ibm-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-2040-raspi-realtimeUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1048-gke-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1052-gcpUpgrade linux-image-gcp-6.8Upgrade linux-image-6.17.0-14-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-aws-64k-6.17Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-generic-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.8.0-106-genericUpgrade linux-image-6.17.0-1011-oemUpgrade linux-image-6.17.0-1008-raspiUpgrade linux-image-6.17.0-1008-azureUpgrade linux-image-6.17.0-1007-gcp-64kUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.17.0-1007-aws-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-6.17.0-1007-awsUpgrade linux-image-kvmUpgrade linux-image-6.17.0-1007-gcpUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-azure-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-gke-64kUpgrade linux-image-fipsUpgrade linux-image-6.8.0-106-lowlatency-64kUpgrade linux-image-6.8.0-1050-aws-64kUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1052-gcp-fipsUpgrade linux-image-6.8.0-1050-aws-fipsUpgrade linux-image-oem-6.17Upgrade linux-image-realtime-6.8.1Upgrade linux-image-gcp-6.17Upgrade linux-image-raspi-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-azure | Feb 13, 2026 | Feb 12, 2026 |
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