kernel: s390/dcssblk: fix kernel crash with list_add corruption

A kernel crash vulnerability was found in the Linux kernel's s390 dcssblk driver. Missing daxremovehost calls in the device removal path, combined with broken error handling in the device add path, cause stale xarray entries and listadd corruption. When a previously used gendisk pointer is reused...

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...