Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/shmem-helper: Removed the erroneous “put” operation in the error path. The drmgemshmemmmap function does not maintain this reference, resulting in the GEM object being freed prematurely, leading to a “use-after-free”...

The vulnerability of the drm/shmem-helpper components in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the drm/shmem-helpper component in the Linux operating system’s kernel is related to a memory reallocation error in the drmgemshmemmmap function. Exploiting this vulnerability can allow an attacker to cause a service failure...

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...

PT-2024-28512

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A lack of check for copy-on-write COW mapping in drm gem shmem mmap allows users to call mmap with PROT WRITE and MAP PRIVATE flag, causing a kernel panic due to BUG ON in vmf insert pfn...

PT-2025-18848

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists due to the premature freeing of the dma-buf shmem GEM object. This occurs because drm gem shmem mmap does not own a reference in the error code path. The...