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-toolsUpgrade perf6.12Upgrade kernel6.12-headersUpgrade python3-perf6.12Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.12-tools-develUpgrade kernel6.12-libbpfUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-debuginfoUpgrade kernel6.12-modules-extraUpgrade bpftool6.12Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-libbpf-staticUpgrade kernel-livepatch-6.12.46-66.121Upgrade kernel6.12-develUpgrade perf6.12-debuginfoUpgrade kernel6.12-libbpf-debuginfoUpgrade kernel6.12Upgrade kernel6.12-libbpf-develUpgrade bpftool6.12-debuginfo | Sep 30, 2025 | Sep 11, 2025 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftool | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-tools-libs | 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-docs-htmlUpgrade dtb-freescaleUpgrade kernel-azure-optionalUpgrade dlm-kmp-64kbUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-azureUpgrade dlm-kmp-rtUpgrade dtb-alteraUpgrade kernel-rt-optionalUpgrade dtb-allwinnerUpgrade kernel-rt-vdsoUpgrade kernel-64kb-extraUpgrade kernel-sourceUpgrade dtb-marvellUpgrade kernel-rt_debugUpgrade kernel-rt_debug-develUpgrade dtb-lgUpgrade kernel-azure-extraUpgrade dtb-sprdUpgrade kernel-obs-buildUpgrade reiserfs-kmp-64kbUpgrade gfs2-kmp-azureUpgrade dtb-caviumUpgrade dtb-exynosUpgrade kernel-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-develUpgrade ocfs2-kmp-defaultUpgrade kernel-default-livepatchUpgrade kernel-default-vdsoUpgrade dtb-appleUpgrade dtb-nvidiaUpgrade kselftests-kmp-azureUpgrade dtb-broadcomUpgrade kernel-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-default-baseUpgrade kernel-rtUpgrade kernel-source-azureUpgrade kernel-source-rtUpgrade kernel-rt-extraUpgrade kernel-source-vanillaUpgrade kernel-azure-develUpgrade dtb-amazonUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade kernel-zfcpdumpUpgrade kernel-debug-develUpgrade kernel-syms-rtUpgrade dtb-qcomUpgrade reiserfs-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-rtUpgrade dtb-hisiliconUpgrade kernel-rt-develUpgrade kernel-obs-qaUpgrade kernel-rt-livepatchUpgrade kselftests-kmp-defaultUpgrade kernel-rt-livepatch-develUpgrade dlm-kmp-azureUpgrade kernel-kvmsmallUpgrade kernel-develUpgrade dtb-renesasUpgrade dtb-armUpgrade dtb-mediatekUpgrade dtb-amlogicUpgrade cluster-md-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-macrosUpgrade kernel-default-optionalUpgrade dlm-kmp-defaultUpgrade ocfs2-kmp-rtUpgrade kernel-debugUpgrade dtb-amdUpgrade kernel-symsUpgrade kernel-docsUpgrade kernel-devel-rtUpgrade dtb-rockchipUpgrade reiserfs-kmp-rtUpgrade reiserfs-kmp-azureUpgrade kernel-default-manUpgrade kernel-default-base-rebuildUpgrade dtb-socionextUpgrade gfs2-kmp-64kbUpgrade dtb-apmUpgrade kernel-rt_debug-vdsoUpgrade cluster-md-kmp-azureUpgrade dtb-xilinxUpgrade kernel-devel-azureUpgrade kernel-defaultUpgrade kernel-64kb-optionalUpgrade kernel-azure-vdsoUpgrade kernel-64kb-develUpgrade kernel-kvmsmall-develUpgrade kernel-default-extra | Dec 5, 2025 | Oct 15, 2025 |
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