PT-2025-40073

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the mm/userfaultfd subsystem related to the ordering of kmap local operations when CONFIG HIGHPTE is enabled on 32-bit ARM architectures...

The vulnerability of the userfaultfd_move() function in the mm/userfaultfd.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the userfaultfdmove function in the mm/userfaultfd.c module of the Linux operating system’s kernel is related to synchronization errors when using shared resources „Race Conditions“. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2025-38242

In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in commit c50f8e6053b0, we may see the same BUGON if the filemap lookup...

CVE-2025-38242

In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in commit c50f8e6053b0, we may see the same BUGON if the filemap lookup...

DEBIAN-CVE-2025-38242

In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in commit c50f8e6053b0, we may see the same BUGON if the filemap lookup...

UBUNTU-CVE-2025-38242

In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in commit c50f8e6053b0, we may see the same BUGON if the filemap lookup...

CVE-2025-38242

In CVE-2025-38242, Linux kernel mm/userfaultfd: fix race between userfaultfd_move and swap cache. The description documents two race types: a) a BUG_ON when filemap lookup returns NULL and folio is added to the swap cache, and b) a race where a folio is changed after lookup causing RSS counter co...

CVE-2025-38242

In the Linux kernel, the following vulnerability has been resolved: mm: userfaultfd: fix race of userfaultfdmove and swap cache This commit fixes two kinds of races, they may have different results: Barry reported a BUGON in commit c50f8e6053b0, we may see the same BUGON if the filemap lookup...

Linux kernel 安全漏洞

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 userfaultfdmove and swap cache contention resulting in a corrupted RSS counter...

The vulnerability of the userfaultfd component in Linux operating systems, which allows a hacker to trigger a service failure

The vulnerability of the userfaultfd component in Linux operating systems is related to the operation of data out of the buffer in memory. Exploiting this vulnerability can allow an attacker to cause a system failure...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm: Fixed a kernel bug where userfaultfdmove encountered swapcache. userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting:...

PT-2025-28870 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a race condition within the userfaultfd move function when handling swap cache operations. This issue arises from a lockless swap cache lookup, potentially...

Vulnerabilities of components of Linux operating system kernels’ mm/uffd module, allowing attackers to cause service failures

The vulnerability of the mm/uffd components in the Linux operating system’s kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

kernel: userfaultfd: fix checks for huge PMDs

A flaw was found in the Linux kernel's userfaultfd component. A local user could exploit a race condition in the handling of huge page table entries PMDs. This vulnerability can lead to a kernel crash, resulting in a Denial of Service DoS. In older kernel versions, this flaw could also potentiall...

SUSE CVE-2025-21984

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

DEBIAN-CVE-2025-21984

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

UBUNTU-CVE-2025-21984

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

CVE-2025-21984 mm: fix kernel BUG when userfaultfd_move encounters swapcache

In the Linux kernel, the following vulnerability has been resolved: mm: fix kernel BUG when userfaultfdmove encounters swapcache userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting: srcfolio-inde...

PT-2025-14365 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A vulnerability in the Linux kernel has been resolved, related to the userfaultfd move function encountering swapcache. The issue arises when the function checks if the PTE entry i...

SUSE CVE-2022-49760

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix PTE marker handling in hugetlbchangeprotection Patch series "mm/hugetlb: uffd-wp fixes for hugetlbchangeprotection". Playing with virtio-mem and background snapshots using uffd-wp on hugetlb in QEMU, I managed to...