Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989883)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989883 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths Any codepath that zaps page tabl...

DEBIAN-CVE-2022-48991

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths Any codepath that zaps page table entries must invoke MMU notifiers to ensure that secondary MMUs like KVM don't keep accessing pages which aren't mapped anymore...

UBUNTU-CVE-2022-48991

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths Any codepath that zaps page table entries must invoke MMU notifiers to ensure that secondary MMUs like KVM don't keep accessing pages which aren't mapped anymore...

CVE-2022-48991

The CVE-2022-48991 entry corresponds to a Linux kernel issue in mm/khugepaged where MMU notifiers must be invoked in shmem/file collapse paths. The vulnerability could allow page use-after-free on pages mirrored by secondary MMUs (e.g., KVM) if present PTEs are removed without proper notification...