Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cgroup: Split cgroupdestroywq into 3 workqueues A hang can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-109 (ALASKERNEL-5.10-2025-109)

The version of kernel installed on the remote host is prior to 5.10.245-241.976. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-109 advisory. In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in...

UBUNTU-CVE-2025-39953

In the Linux kernel, the following vulnerability has been resolved: cgroup: split cgroupdestroywq into 3 workqueues A hung task can occur during 1 LTP cgroup testing when repeatedly mounting/unmounting perfevent and netprio controllers with systemd.unifiedcgrouphierarchy=1. The hang manifests in...

CVE-2025-39953

CVE-2025-39953 (Linux kernel) : The issue arises in cgroup destruction where root destruction can hang during repeated perf_event/net_prio unmounts with systemd.unified_cgroup_hierarchy=1. Root cause shows root destruction enqueues, while offline work is blocked by the same wq, causing a hang. Th...

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 improper handling of the cgroupdestroywq work queue, which could lead to task hangs...