CVE-2023-1206-CVE-2025-40040-CVE-2024-49882

组合隐蔽信道：CVE-2023-1206 + CVE-2024-49882 概述 本项目演示了利用两个Linux内核漏洞构建的隐蔽通信信道： 组件| CVE| 目的 ---|---|--- 同步信道| CVE-2023-1206| 通过IPv6哈希碰撞时序实现时钟同步 数据信道| CVE-2024-49882| 通过大页泄漏实现跨容器数据传输 ┌─────────────────────────────────────────────────────────────────────┐ │ 非加密隐蔽信道 │...

Linux Distros Unpatched Vulnerability : CVE-2026-93232

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix boot panic with CONFIGDEBUGVM and HVO bootmem pages Patch series mm: Refacto...

UBUNTU-CVE-2026-93232

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix boot panic with CONFIGDEBUGVM and HVO bootmem pages Patch series "mm: Refactor bootmem gigantic hugepage allocation", v4. This series is split out from the earlier larger series "mm: Generalize HVO for HugeTLB and...

UBUNTU-CVE-2026-93230

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: initialize gigantic bootmem hugepage struct pages earlier Gigantic bootmem HugeTLB pages are currently initialized from hugetlbinit, but pageallocinitlate runs earlier and walks pageblocks to determine zone contiguity...

CVE-2026-93230

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: initialize gigantic bootmem hugepage struct pages earlier Gigantic bootmem HugeTLB pages are currently initialized from hugetlbinit, but pageallocinitlate runs earlier and walks pageblocks to determine zone contiguity...

DEBIAN-CVE-2026-89966

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlbcma: fix null nodemask dereference in hugetlbcmaallocfrozenfolio allocbuddyhugetlbfoliowithmpol can pass a NULL nodemask to allocfreshhugetlbfolio as a fallback to allocate from all nodes. If order is gigantic,...

CVE-2026-89966

CVE-2026-89966 affects the Linux kernel in the mm/hugetlb_cma subsystem. The root cause is a NULL nodemask dereference in hugetlb_cma_alloc_frozen_folio(): when alloc_buddy_hugetlb_folio_with_mpol() passes a NULL nodemask as a fallback for gigantic (e.g., 1 GB) hugepage allocations, the function ...

CVE-2026-89966: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlbcma: fix null nodemask dereference in hugetlbcmaallocfrozenfolio allocbuddyhugetlbfoliowithmpol can pass a NULL nodemask to allocfreshhugetlbfolio as a fallback to allocate from all nodes. If order is gigantic,...

kernel: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM x86 memory management unit MMU. A malicious guest operating system could create a hugepage mapping that extends beyond the boundaries of its allocated memory slot. This improper handling of memory boundaries by KVM can lead t...

Oracle Linux 9 : kernel (ELSA-2026-45192)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-45192 advisory. - KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level Aidan Wallace RHEL-213468 CVE-2026-63807 - KVM: x86: Don't recheck L1...

KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level

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SUSE CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63807 KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fixed an issue where incorrect filemapcount values were stored for non-leaf pmd/puds. The page table check trigger BUGON occurred unexpectedly when collapsing hugepages: ------------ cut here ------------ Kernel bug at...

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 occurs. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionEntries fails to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/shmem, swap: fixed the soft lockup issue with mTHP swapin. The following soft lockup can be easily reproduced on my test machine using the following command: echo always...

The vulnerability of the __unmap_hugepage_range() function in the mm/hugetlb.c file of the Linux kernel’s memory management subsystem allows a hacker to trigger a service failure.

The vulnerability of the unmaphugepagerange function in the mm/hugetlb.c file, belonging to the memory management subsystem of the Linux kernel, is related to data processing errors. Exploiting this vulnerability could allow an attacker to cause a system failure...