CVE-2022-48981

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

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

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...

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...

CVE-2022-48981

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

DEBIAN-CVE-2022-48981

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

UBUNTU-CVE-2022-48981

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

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...

CVE-2022-48991 mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths

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 mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths

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-2022-48981

CVE-2022-48981 is a Linux kernel vulnerability related to DRM SHMEM: the error-path handling in drm/shmem-helper and the ownership of references in drm_gem_shmem_mmap() can cause a use-after-free of a GEM object. The root cause is that drm_gem_shmem_mmap() does not own a reference, potentially fr...

CVE-2022-48981 drm/shmem-helper: Remove errant put in error path

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

CVE-2022-48981 drm/shmem-helper: Remove errant put in error path

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

CVE-2022-48981 drm/shmem-helper: Remove errant put in error path

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove errant put in error path drmgemshmemmmap doesn't own this reference, resulting in the GEM object getting prematurely freed leading to a later use-after-free...

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 a redundant put operation on the wrong path in the drm/shmem-helper component...

The vulnerability of the shmem_is_huge() function in the Linux kernel’s memory management subsystem allows a attacker to cause a service failure.

The vulnerability of the shmemishuge function in the mm/shmem.c module of the Linux kernel’s memory management subsystem is related to improper memory allocation. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2024-46787

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix checks for huge PMDs Patch series "userfaultfd: fix races around pmdtranshuge check", v2. The pmdtranshuge code in mfillatomic is wrong in three different ways depending on kernel version: 1. The pmdtranshuge...

CVE-2024-46787 userfaultfd: fix checks for huge PMDs

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix checks for huge PMDs Patch series "userfaultfd: fix races around pmdtranshuge check", v2. The pmdtranshuge code in mfillatomic is wrong in three different ways depending on kernel version: 1. The pmdtranshuge che...

kernel: mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: make MAXPAGECACHEORDER acceptable to xarray Patch series "mm/filemap: Limit page cache size to that supported by xarray", v2. Currently, xarray can't support arbitrary page cache size. More details can be found from t...