PT-2026-64516

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the page ext iteration API where the system fails to validate if the Page Frame Number PFN still belongs to a valid section while advancing the iterator. During memory...

CVE-2026-64295: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

CVE-2026-64244

In the Linux kernel, the following vulnerability has been resolved: drivers/base/memory: set mem-altmap after successful device registration If addmemoryblock fails at xastore under memory pressure for example, deviceunregister is called, which eventually triggers memoryblockrelease with mem-altm...

CVE-2026-64180

A flaw was found in the Linux kernel's memory hotplug component. When memory blocks are removed, the removememoryblocksandaltmaps function fails to release a previously acquired reference to the memory block device. This oversight results in a memory leak, which could lead to system instability o...

Linux Distros Unpatched Vulnerability : CVE-2026-64180

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/memoryhotplug: fix memory block reference leak on remove Patch series mm: Fix memory bloc...

CVE-2026-64180

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

EUVD-2026-45865

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

CVE-2026-64180

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

CVE-2026-64180 mm/memory_hotplug: fix memory block reference leak on remove

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

CVE-2026-64180

CVE-2026-64180 is tied to the Linux kernel memory hotplug path. A memory block reference leak occurs in remove_memory_blocks_and_altmaps() when it calls find_memory_block() and drops the reference too late, causing a leaked memory block device reference during removal of memory blocks/altmaps. Th...

CVE-2026-64180

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

CVE-2026-64180 mm/memory_hotplug: fix memory block reference leak on remove

In the Linux kernel, the following vulnerability has been resolved: mm/memoryhotplug: fix memory block reference leak on remove Patch series "mm: Fix memory block leaks and locking", v2. This series fixes two memory block device reference leaks and one locking issue around the per-memoryblock...

PT-2026-61497

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the memory hotplug component where the remove memory blocks and altmaps function fails to release a reference to the memory block device. This occurs because find memo...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21931)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21931 advisory. - In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio befo...

ROS-20260120-7340

A vulnerability in the memoryhotplug component of the Linux kernel is related to incorrect resource locking. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001858)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001858 advisory. The onlinepages function in mm/memoryhotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service NULL pointer dereference and system cra...

kernel: hwpoison, memory_hotplug: lock folio before unmap hwpoisoned folio

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989878)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989878 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: avoid overflows in dirty throttling logic The dirty throttling logic is interspersed with...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm/ptdump: The memory hotplug lock is now handled within ptdumpwalkpgd. Memory hot removal operations involve unmapping memory and destroying various kernel page table regions as needed. The ptdump code may race with concurren...

EUVD-2022-54567

In the Linux kernel, the following vulnerability has been resolved: powerpc/memhotplug: Add addpages override for PPC With commit ffa0b64e3be5 "powerpc: Fix virtaddrvalid for 64-bit Book3E & 32-bit" the kernel now validate the addr against highmemory value. This results in the below BUGON with da...