CVE-2023-53084: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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

Affected products

• Linux Linux Kernel: from 5.9.5, before 5.10 (fixed in 5.10); from 5.10.1, before 5.10.176 (fixed in 5.10.176); from 5.11, before 5.15.104 (fixed in 5.15.104); from 5.16, before 6.1.21 (fixed in 6.1.21); from 6.2, before 6.2.8 (fixed in 6.2.8); version 5.10 only; …

Published 2025-05-02. Last modified 2026-08-04.