The vulnerability of the `swapoff` system call in the `mm/swapfile.c` module of the Linux kernel’s memory management subsystem allows a attacker to compromise the integrity of protected information or cause service failures.

The vulnerability of the swapoff system call in the mm/swapfile.c module of the Linux kernel’s memory management subsystem is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to compromise the integrity of protected information or...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fixed a race condition between freeswapandcache and swapoff There was previously a theoretical scenario where swapoff could execute and tear down the swapinfostruct while a call to freeswapandcache was running in anothe...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: mm/swap: Fixed the race condition between swapoff and getswappages. The si-lock must be held when deleting the si from the available list. Otherwise, another thread may re-add the si to the available list, leading to memory...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: HugeTLB pages are skipped for unusevma. I encountered a “bad pud” error and lost a 1GB HugeTLB when calling swapoff. The problem can be reproduced using the following steps: 1. Allocate an anonymous 1GB HugeTLB and...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013213)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013213 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix swapinfostruct race between swapoff and getswappages The si-lock must be held when...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010784)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010784 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix swapinfostruct race between swapoff and getswappages The si-lock must be held when...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007259)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007259 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical windo...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005438)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005438 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: skip HugeTLB pages for unusevma I got a bad pud error and lost a 1GB HugeTLB when...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to encounter a zero entry while traversing the vmas in unusemm, called from the swapoff path. Accessing this zero entry can result in an OOPS...

CVE-2025-40270

No description is available for this CVE. Mitigation Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability...

DEBIAN-CVE-2025-40270

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix potential UAF issue for VMA readahead Since commit 78524b05f1a3 "mm, swap: avoid redundant swap device pinning", the common helper for allocating and preparing a folio in the swap cache layer no longer tries to get ...

CVE-2025-40270

In the Linux kernel, the following vulnerability has been resolved: mm, swap: fix potential UAF issue for VMA readahead Since commit 78524b05f1a3 "mm, swap: avoid redundant swap device pinning", the common helper for allocating and preparing a folio in the swap cache layer no longer tries to get ...

Linux Distros Unpatched Vulnerability : CVE-2025-39992

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff...

Siemens SIMATIC Devices Race Condition (CVE-2024-26960)

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc...

SUSE CVE-2025-39992

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff path and accessing it causes the OOPS: Unable to handle kernel NULL...

EUVD-2025-34581

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff path and accessing it causes the OOPS: Unable to handle kernel NULL...

CVE-2025-39992

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff path and accessing it causes the OOPS: Unable to handle kernel NULL...

UBUNTU-CVE-2025-39992

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff path and accessing it causes the OOPS: Unable to handle kernel NULL...

CVE-2025-39992

CVE-2025-39992 pertains to a race in the Linux kernel between fork() and swapoff where a partially built mm is exposed, allowing traversal to hit a XA_ZERO_ENTRY and trigger a NULL pointer dereference in unuse_mm(). The public description states the bug arises from a race while duplicating the mm...

CVE-2025-39992 mm: swap: check for stable address space before operating on the VMA

In the Linux kernel, the following vulnerability has been resolved: mm: swap: check for stable address space before operating on the VMA It is possible to hit a zero entry while traversing the vmas in unusemm called from swapoff path and accessing it causes the OOPS: Unable to handle kernel NULL...