Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Fixed the issue of dereferencing an 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...

SUSE-SU-2025:3716-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...

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...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Leak pages if setmemoryencrypted fails CVE-2024-36913 In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a directory data block CVE-2024-41013 In...

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...

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...