CVE-2022-50851 vhost_vdpa: fix the crash in unmap a large memory

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

CVE-2025-21931

CVE-2025-21931 affects the Linux kernel memory hotplug path (hwpoison) and was fixed by ensuring folio lock is held before unmapping hwpoisoned folio. The fix adds the folio lock around unmap calls in do_migrate_range/try_to_unmap to prevent the kernel BUG triggered when folio is not locked. The ...

DEBIAN-CVE-2021-47315

In the Linux kernel, the following vulnerability has been resolved: memory: fslifc: fix leak of IO mapping on probe failure On probe error the driver should unmap the IO memory. Smatch reports: drivers/memory/fslifc.c:298 fslifcctrlprobe warn: 'fslifcctrldev-gregs' not released on lines: 298...

Input validation

Insufficient check of the process type in Trusted OS TOS may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service...

CVE-2021-26368

Insufficient check of the process type in Trusted OS TOS may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service...