In the Linux kernel, the following vulnerability has been resolved:
mm: migrate_device: fix pte_pfn/pte_dirty called on non-present PTE
pte_pfn() and pte_dirty() have undefined behaviour when called on a non-present PTE. In migrate_vma_collect_pmd(), these functions may be invoked on non-present entries (e.g., device-private entries), leading to potential crashes from pte_pfn() or incorrect dirty folio accounting from pte_dirty(). Fix both by guarding with pte_present() checks.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade bpftool6.18Upgrade kernel6.12-headersUpgrade kernel6.12-tools-debuginfoUpgrade microvm-kernel6.18Upgrade kernel6.12-debuginfoUpgrade kernel6.18Upgrade python3-perf6.18Upgrade python3-perf6.12-debuginfoUpgrade kernel6.18-modules-extraUpgrade kernel6.18-toolsUpgrade kernel6.18-tools-develUpgrade kernel6.18-modules-extra-commonUpgrade perf6.18Upgrade kernel6.18-develUpgrade kernel-livepatch-6.12.103-127.188Upgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.12-develUpgrade kernel6.18-headersUpgrade kernel6.12-debuginfo-common-x86_64Upgrade python3-perf6.12Upgrade kernel6.12-modules-extraUpgrade kernel6.18-debuginfo-common-aarch64Upgrade python3-perf6.18-debuginfoUpgrade kernel6.12-modules-extra-commonUpgrade kernel-livepatch-6.18.44-99.149Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade perf6.12-debuginfoUpgrade kernel6.12-tools-develUpgrade kernel6.12-toolsUpgrade bpftool6.12-debuginfoUpgrade kernel6.12Upgrade perf6.18-debuginfoUpgrade bpftool6.12Upgrade bpftool6.18-debuginfoUpgrade perf6.12Upgrade kernel6.18-debuginfo | Sep 30, 2026 | Aug 28, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 30, 2026 | Aug 30, 2026 |
| Redhat_linux | — | No solution exists | Sep 2, 2026 | Aug 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 28, 2026 |
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