PT-2025-27970

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A panic in the Linux kernel has been resolved, specifically related to the LoongArch architecture. The issue occurs when a NULL-PMD is encountered in the huge pte offset function,...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an unhandled NULL-PMD resulting in a null pointer dereference...

DEBIAN-CVE-2025-38085

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

CVE-2025-38085 mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugepmdunshare vs GUP-fast race hugepmdunshare drops a reference on a page table that may have previously been shared across processes, potentially turning it into a normal page table used in another process in...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a competition between hugepmdunshare and GUP-fast, which could lead to page table sharing issues...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/gup: rejecting FOLLSPLITPMD with hugetlb VMAs. The patch series “mm: fixes for device-exclusive entries hmm”, version 2. While discussing the PageTail call in makedeviceexclusiverange, I recently discovered that device-exclusi...

CVE-2024-5273

Jenkins Report Info Plugin 1.2 and earlier does not perform path validation of the workspace directory while serving report files, allowing attackers with Item/Configure permission to retrieve Surefire failures, PMD violations, Findbugs bugs, and Checkstyle errors on the controller file system by...

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...

AZL-62779 CVE-2025-37958 affecting package kernel for versions less than 6.6.96.1-1

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 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...

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...

kernel: arm64/mm: fix incorrect file_map_count for non-leaf pmd/pud

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

CVE-2025-37818

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Return NULL from hugepteoffset for invalid PMD LoongArch's hugepteoffset currently returns a pointer to a PMD slot even if the underlying entry points to invalidptetable indicating no mapping. Callers like...

CVE-2025-37818

LoongArch Linux kernel vulnerability CVE-2025-37818: the issue originates from huge_pte_offset() returning a PMD slot pointer even when the underlying pmd points to an invalid_pte_table, which could be misinterpreted as a swap entry by generic is_swap_pte() and lead to a crash in pfn_swap_entry_t...

CVE-2025-37818 LoongArch: Return NULL from huge_pte_offset() for invalid PMD

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Return NULL from hugepteoffset for invalid PMD LoongArch's hugepteoffset currently returns a pointer to a PMD slot even if the underlying entry points to invalidptetable indicating no mapping. Callers like...

CVE-2025-37818 LoongArch: Return NULL from huge_pte_offset() for invalid PMD

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Return NULL from hugepteoffset for invalid PMD LoongArch's hugepteoffset currently returns a pointer to a PMD slot even if the underlying entry points to invalidptetable indicating no mapping. Callers like...

SUSE CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

UBUNTU-CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...

DEBIAN-CVE-2022-49778

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for non-leaf pmd/pud The page table check trigger BUGON unexpectedly when collapse hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:82! Internal error: Oops - BUG...