In the Linux kernel, the following vulnerability has been resolved:
mm/smaps: fix race between smaps_hugetlb_range and migration
smaps_hugetlb_range() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page(). The race is as follows.
smaps_hugetlb_range migrate_pages huge_ptep_get remove_migration_ptes folio_unlock pfn_swap_entry_folio BUG_ON
To fix it, hold ptl lock in smaps_hugetlb_range().
CVSS Details
- CVSS 3.1 Base Score: 4.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/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 python3-perf6.12Upgrade kernel6.12-modules-extraUpgrade kernel6.12-toolsUpgrade bpftool6.12Upgrade kernel6.12-headersUpgrade kernel6.12-debuginfoUpgrade kernel6.12-modules-extra-commonUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-libbpfUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-libbpf-staticUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.12-tools-develUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12Upgrade perf6.12-debuginfoUpgrade kernel6.12Upgrade kernel6.12-libbpf-develUpgrade kernel6.12-libbpf-debuginfoUpgrade bpftool6.12-debuginfoUpgrade kernel-livepatch-6.12.46-66.121Upgrade kernel6.12-devel | Sep 30, 2025 | Sep 11, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernelUpgrade python3-perf | Mar 10, 2026 | Mar 10, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Oct 16, 2025 | Sep 11, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 11, 2025 |
| Suse | — | Upgrade gfs2-kmp-azureUpgrade kernel-rt-extraUpgrade ocfs2-kmp-azureUpgrade kernel-debug-vdsoUpgrade kernel-default-livepatchUpgrade kernel-64kbUpgrade kernel-azureUpgrade dlm-kmp-64kbUpgrade dtb-appleUpgrade dtb-lgUpgrade dtb-freescaleUpgrade kernel-rt_debugUpgrade kernel-rt_debug-develUpgrade dtb-caviumUpgrade kernel-azure-optionalUpgrade dtb-amazonUpgrade kernel-azure-extraUpgrade dtb-marvellUpgrade kernel-rt-optionalUpgrade dtb-allwinnerUpgrade dtb-alteraUpgrade kernel-rt-vdsoUpgrade kselftests-kmp-64kbUpgrade dtb-nvidiaUpgrade dlm-kmp-rtUpgrade kselftests-kmp-azureUpgrade dtb-sprdUpgrade kernel-source-vanillaUpgrade kernel-azure-develUpgrade kernel-docs-htmlUpgrade kernel-64kb-extraUpgrade ocfs2-kmp-defaultUpgrade kernel-sourceUpgrade gfs2-kmp-defaultUpgrade kernel-default-baseUpgrade dtb-broadcomUpgrade kernel-default-vdsoUpgrade kernel-obs-buildUpgrade cluster-md-kmp-64kbUpgrade kernel-source-rtUpgrade ocfs2-kmp-64kbUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade dtb-exynosUpgrade kernel-default-develUpgrade kernel-rtUpgrade kernel-source-azureUpgrade cluster-md-kmp-azureUpgrade kernel-defaultUpgrade kernel-kvmsmall-develUpgrade cluster-md-kmp-defaultUpgrade kselftests-kmp-defaultUpgrade kernel-syms-rtUpgrade kernel-rt-develUpgrade kernel-obs-qaUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade kernel-devel-azureUpgrade kernel-64kb-optionalUpgrade gfs2-kmp-64kbUpgrade kernel-debug-develUpgrade kselftests-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-macrosUpgrade kernel-default-optionalUpgrade kernel-default-manUpgrade dtb-socionextUpgrade dtb-qcomUpgrade dtb-amlogicUpgrade kernel-default-base-rebuildUpgrade cluster-md-kmp-rtUpgrade ocfs2-kmp-rtUpgrade kernel-zfcpdumpUpgrade kernel-default-extraUpgrade gfs2-kmp-rtUpgrade dtb-hisiliconUpgrade kernel-rt-livepatch-develUpgrade kernel-rt-livepatchUpgrade dlm-kmp-defaultUpgrade kernel-debugUpgrade dtb-amdUpgrade dtb-mediatekUpgrade kernel-kvmsmallUpgrade dtb-rockchipUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade kernel-symsUpgrade kernel-docsUpgrade kernel-devel-rtUpgrade kernel-develUpgrade dtb-armUpgrade dlm-kmp-azureUpgrade dtb-renesasUpgrade dtb-apmUpgrade kernel-rt_debug-vdsoUpgrade dtb-xilinx | Dec 5, 2025 | Oct 15, 2025 |
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