CVE-2025-38242: Concurrent Execution using Shared Resource with Improper Synchronization

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...

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...

SUSE CVE-2025-22015

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

DEBIAN-CVE-2025-22015

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

CVE-2025-22015

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

UBUNTU-CVE-2025-22015

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

CVE-2025-22015 mm/migrate: fix shmem xarray update during migration

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

CVE-2025-22015 mm/migrate: fix shmem xarray update during migration

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fix shmem xarray update during migration A shmem folio can be either in page cache or in swap cache, but not at the same time. Namely, once it is in swap cache, folio-mapping should be NULL, and the folio is no longer...

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...

kernel: mm: fix zswap writeback race condition

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to a different page. The race...

kernel: mm: swap: fix race between free_swap_and_cache() and swapoff()

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff The Linux kernel CVE team has assigned CVE-2024-26960 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050129-CVE-2024-26960-ad6b@gregkh/T...

kernel: mm/swap: fix race when skipping swapcache

In the Linux kernel, the following vulnerability has been resolved: mm/swap: fix race when skipping swapcache The Linux kernel CVE team has assigned CVE-2024-26759 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024040304-CVE-2024-26759-45f1@gregkh/T...

SUSE CVE-2024-35797

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...

DEBIAN-CVE-2024-35797

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...

UBUNTU-CVE-2024-35797

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...

SUSE CVE-2024-26960

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

CVE-2024-26960

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

DEBIAN-CVE-2024-26960

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

UBUNTU-CVE-2024-26960

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...