In the Linux kernel, the following vulnerability has been resolved:
userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry
When UFFDIO_MOVE encounters a migration PMD entry, it proceeds with obtaining a folio and accessing it even though the entry is swp_entry_t. Add the missing check and let split_huge_pmd() handle migration entries. While at it also remove unnecessary folio check.
[[email protected]: remove extra folio check, per David]
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-debuginfoUpgrade kernel6.12-tools-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-libbpfUpgrade perf6.12Upgrade kernel6.12-libbpf-staticUpgrade kernel6.12-toolsUpgrade kernel6.12-headersUpgrade kernel6.12-develUpgrade kernel6.12Upgrade kernel6.12-modules-extraUpgrade perf6.12-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-libbpf-develUpgrade bpftool6.12-debuginfoUpgrade python3-perf6.12Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-libbpf-debuginfoUpgrade kernel-livepatch-6.12.46-66.121Upgrade bpftool6.12Upgrade kernel6.12-tools-devel | Sep 30, 2025 | Sep 4, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Oct 16, 2025 | Sep 4, 2025 |
| Suse | — | Upgrade dtb-sprdUpgrade dtb-alteraUpgrade kernel-obs-buildUpgrade kselftests-kmp-rtUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade dtb-renesasUpgrade dtb-xilinxUpgrade dtb-broadcomUpgrade dtb-appleUpgrade dtb-nvidiaUpgrade kernel-default-livepatchUpgrade kernel-defaultUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-source-vanillaUpgrade dtb-caviumUpgrade dtb-rockchipUpgrade kernel-64kb-extraUpgrade dtb-allwinnerUpgrade kernel-rt-extraUpgrade kernel-rt-vdsoUpgrade cluster-md-kmp-rtUpgrade kernel-rt-optionalUpgrade kernel-rt-livepatchUpgrade kernel-kvmsmall-vdsoUpgrade kernel-docs-htmlUpgrade ocfs2-kmp-64kbUpgrade dlm-kmp-rtUpgrade kernel-develUpgrade kernel-default-vdsoUpgrade kernel-default-optionalUpgrade dtb-amdUpgrade dtb-mediatekUpgrade kernel-kvmsmallUpgrade kselftests-kmp-64kbUpgrade kernel-rtUpgrade dtb-exynosUpgrade kernel-sourceUpgrade kernel-64kb-develUpgrade dtb-marvellUpgrade dtb-lgUpgrade dlm-kmp-64kbUpgrade kernel-obs-qaUpgrade kernel-64kbUpgrade dtb-apmUpgrade kernel-64kb-optionalUpgrade dtb-socionextUpgrade kernel-kvmsmall-develUpgrade ocfs2-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-rt-develUpgrade kernel-default-develUpgrade gfs2-kmp-rtUpgrade dtb-hisiliconUpgrade dtb-freescaleUpgrade dtb-amazonUpgrade dtb-armUpgrade kernel-zfcpdumpUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade dtb-amlogicUpgrade gfs2-kmp-64kbUpgrade kernel-default-extraUpgrade dtb-qcomUpgrade kernel-docsUpgrade kernel-macrosUpgrade kernel-syms | Dec 5, 2025 | Nov 6, 2025 |
| Ubuntu | — | Upgrade linux-image-ibm-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-xilinxUpgrade linux-image-azure-fips-6.8Upgrade linux-image-azure-fipsUpgrade linux-image-awsUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-generic-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-oracle-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-aws-64kUpgrade linux-image-virtualUpgrade linux-image-oem-22.04cUpgrade linux-image-generic-64k-6.8Upgrade linux-image-gke-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-gkeUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-fipsUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-intel-iotgUpgrade linux-image-gke-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-lowlatency-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-genericUpgrade linux-image-gcp-fipsUpgrade linux-image-aws-fipsUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-generic-64kUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-raspi-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-realtimeUpgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-oracle | Feb 12, 2026 | Sep 4, 2025 |
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