Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-989600)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989600 advisory. In the Linux kernel, the following vulnerability has been resolved: memcg: fix possible use-after-free in memcgwriteeventcontrol memcgwriteeventcontrol accesses the...

Linux kernel security vulnerabilities

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 the cgroup2 filesystem not instantiating a new dentry when returning from mkdir...

kernel: memcg: fix possible use-after-free in memcg_write_event_control()

A flaw was found in the Linux kernel's memory cgroup memcg component. A missing file type check in the memcgwriteeventcontrol function allows arbitrary files to bypass validation. This can lead to a use-after-free condition when dname and parent accesses race against file renames and removals. A...