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 kernel6.12-modules-extraUpgrade kernel6.12-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-headersUpgrade kernel6.12-modules-extra-commonUpgrade python3-perf6.12Upgrade kernel6.12-tools-debuginfoUpgrade perf6.12Upgrade kernel6.12-toolsUpgrade bpftool6.12Upgrade kernel6.12-libbpf-staticUpgrade kernel6.12-libbpfUpgrade kernel6.12-tools-develUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-libbpf-develUpgrade kernel6.12Upgrade kernel-livepatch-6.12.46-66.121Upgrade bpftool6.12-debuginfoUpgrade kernel6.12-develUpgrade perf6.12-debuginfoUpgrade kernel6.12-libbpf-debuginfo | 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 kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade python3-perf | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade 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 kernel-obs-buildUpgrade reiserfs-kmp-64kbUpgrade kernel-64kbUpgrade ocfs2-kmp-azureUpgrade kernel-default-livepatch-develUpgrade kernel-debug-vdsoUpgrade cluster-md-kmp-64kbUpgrade kernel-rt_debugUpgrade ocfs2-kmp-64kbUpgrade kernel-default-vdsoUpgrade kernel-default-baseUpgrade kselftests-kmp-azureUpgrade dtb-exynosUpgrade kernel-rtUpgrade kernel-source-azureUpgrade kernel-rt-optionalUpgrade kernel-source-rtUpgrade dtb-alteraUpgrade dtb-sprdUpgrade kernel-azure-extraUpgrade dtb-broadcomUpgrade dtb-marvellUpgrade kernel-64kb-extraUpgrade gfs2-kmp-azureUpgrade kernel-sourceUpgrade dtb-allwinnerUpgrade kernel-azureUpgrade kernel-default-livepatchUpgrade kernel-rt-vdsoUpgrade kernel-azure-optionalUpgrade dtb-lgUpgrade dtb-appleUpgrade kselftests-kmp-64kbUpgrade kernel-default-develUpgrade dtb-caviumUpgrade dtb-freescaleUpgrade ocfs2-kmp-defaultUpgrade kernel-kvmsmall-vdsoUpgrade dlm-kmp-64kbUpgrade kernel-rt_debug-develUpgrade kernel-docs-htmlUpgrade dlm-kmp-rtUpgrade kernel-source-vanillaUpgrade kernel-azure-develUpgrade gfs2-kmp-defaultUpgrade kernel-rt-extraUpgrade dtb-nvidiaUpgrade dtb-amazonUpgrade dtb-armUpgrade dlm-kmp-azureUpgrade kernel-default-optionalUpgrade dtb-apmUpgrade kernel-rt_debug-vdsoUpgrade dtb-mediatekUpgrade kernel-kvmsmallUpgrade kernel-devel-rtUpgrade dtb-rockchipUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade kernel-symsUpgrade kernel-docsUpgrade dtb-socionextUpgrade dtb-qcomUpgrade dtb-amlogicUpgrade cluster-md-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-macrosUpgrade kernel-default-manUpgrade kernel-debug-develUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade kselftests-kmp-defaultUpgrade kernel-syms-rtUpgrade kernel-rt-develUpgrade kernel-obs-qaUpgrade kernel-default-base-rebuildUpgrade dtb-renesasUpgrade kernel-develUpgrade kernel-kvmsmall-develUpgrade dtb-hisiliconUpgrade kernel-rt-livepatch-develUpgrade gfs2-kmp-rtUpgrade ocfs2-kmp-rtUpgrade kernel-zfcpdumpUpgrade kernel-debugUpgrade dtb-amdUpgrade kernel-rt-livepatchUpgrade kernel-default-extraUpgrade dlm-kmp-defaultUpgrade dtb-xilinxUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade kernel-devel-azureUpgrade kernel-defaultUpgrade kernel-64kb-optional | Dec 5, 2025 | Oct 15, 2025 |
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