Linux Distros Unpatched Vulnerability : CVE-2026-53207

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursi...

mm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison

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SUSE CVE-2026-53207

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53207

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53154

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via allochugetlbfolio consuming a VMA reservation and then call copyuserlargefolio, which became int-returnin...

UBUNTU-CVE-2026-53207

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

UBUNTU-CVE-2026-53154

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via allochugetlbfolio consuming a VMA reservation and then call copyuserlargefolio, which became int-returnin...

EUVD-2026-39298

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53207

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53207

The CVE-2026-53207 issue affects the Linux kernel mm/memory-failure path, where concurrent MADV_HWPOISON calls on the same hugetlb page can deadlock the non-recursive hugetlb_lock. The root cause is a sequence where a GUP reference is dropped under the hugetlb_lock, allowing free_huge_folio to re...

CVE-2026-53207

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix hugetlblock AA deadlock in gethugepageforhwpoison Two concurrent madviseMADVHWPOISON calls on the same hugetlb page can trigger a recursive spinlock self-deadlock AA deadlock on hugetlblock when racing with...

CVE-2026-53154

CVE-2026-53154 concerns the Linux kernel mm/hugetlb subsystem. The fix restores the per-VMA hugetlb reservation on error during hugetlb folio copy paths (specifically after alloc_hugetlb_folio() and before folio_put()), preventing leaked reservations that could cause a subsequent fault to encount...

CVE-2026-53154

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: restore reservation on error in hugetlb folio copy paths Two sites in mm/hugetlb.c allocate a hugetlb folio via allochugetlbfolio consuming a VMA reservation and then call copyuserlargefolio, which became int-returnin...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm/memfd: Fixed an issue where information leaks occurred during the handling of hugetlb folios. When allocating hugetlb folios for memfd, three initialization steps are missing: 1. The folios are not zeroed, resulting in kern...

RHEL 8 : kernel (RHSA-2026:26535)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26535 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: geneve: Fix use-after-free in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fixed handling of PTE markers in hugetlbchangeprotection The patch series “mm/hugetlb: uffd-wp fixes for hugetlbchangeprotection”. While testing virtio-mem and background snapshots using uffd-wp on hugetlb in QEMU, I...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/hugetlb: fixed a situation where the kernel’s NULL pointer dereferencing occurred when replacing free hugetlb folios. A kernel crash was observed when replacing free hugetlb folios: BUG: NULL pointer dereferencing by the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fixed a deadlock that occurred when hugetlboptimizevmemmap was enabled. When I performed hard offline tests with hugetlb pages, a deadlock occurred as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm/hugetlb, do not call vmaaddreservation when ENOMEM is encountered. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionentries fails ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: fix UAF in hugetlbhandleuserfault The vmalock and hugetlbfaultmutex are removed before handling userfault, and reacquired again after handleuserfault. However, reacquiring the vmalock could lead to a...