8 matches found
CVE-2025-38686
CVE-2025-38686 describes a Linux kernel local crash in userfaultfd’s UFFDIO_MOVE when encountering a migration PMD entry. The fix adds a missing check and delegates migration-entry handling to split_huge_pmd(), and removes an unnecessary folio check. Upstream commits (e.g., 7f1101a0a181243ad587ec...
kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...
kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...
kernel: mm/huge_memory: fix dereferencing invalid pmd migration entry
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...
SUSE CVE-2025-37958
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...
CVE-2025-37958
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...
CVE-2025-37958
CVE-2025-37958 affects the Linux kernel THP path. The issue arises when migrating a THP: concurrent access to the PMD migration entry during a deferred split scan could dereference an invalid address. The fix adds a check of the PMD migration entry and returns early, since the PMD migration entry...
CVE-2025-37958 mm/huge_memory: fix dereferencing invalid pmd migration entry
In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address access, as illustrated below. To prevent...