Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987379)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987379 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414566)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414566 advisory. A memory overflow vulnerability was found in the Linux kernels ipc functionality of the memcg subsystem, in the way a user calls the semget function multiple times,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986638)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986638 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix uninit-value in mpolrebindpolicy mpolsetnodemaskmm/mempolicy.c does not set up...

PT-2025-41065

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw in the memcontrol subsystem related to how memory cgroups memcg were handled. Specifically, the issue arose during the eviction recency check, where an...

cgroup: split cgroup_destroy_wq into 3 workqueues

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SUSE CVE-2022-50488

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible uaf for 'bfqq-bic' Our test report a uaf for 'bfqq-bic' in 5.10: ================================================================== BUG: KASAN: use-after-free in bfqselectqueue+0x378/0xa30 CPU: 6 PID:...

SUSE 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-2022-50488

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible uaf for 'bfqq-bic' Our test report a uaf for 'bfqq-bic' in 5.10: ================================================================== BUG: KASAN: use-after-free in bfqselectqueue+0x378/0xa30 CPU: 6 PID:...

UBUNTU-CVE-2022-50488

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible uaf for 'bfqq-bic' Our test report a uaf for 'bfqq-bic' in 5.10: ================================================================== BUG: KASAN: use-after-free in bfqselectqueue+0x378/0xa30 CPU: 6 PID:...

CVE-2022-50488

CVE-2022-50488 is a Linux kernel issue in the block BFQ (BFQ scheduler) where bfqq objects could end up pointing to the same bic after cgroup moves, enabling a use-after-free scenario for bfqq->bic. The described sequence shows two processes sharing BICs, merging bfqq entries, and after a casc...

EUVD-2025-32380

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

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...

AZL-75179 CVE-2025-39953 affecting package kernel for versions less than 5.15.200.1-1

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...

AZL-68165 CVE-2025-39953 affecting package kernel for versions less than 6.6.112.1-1

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...

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 cgroup: split cgroup_destroy_wq into 3 workqueues

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...

CVE-2025-39953 cgroup: split cgroup_destroy_wq into 3 workqueues

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 cgroup: split cgroup_destroy_wq into 3 workqueues

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...

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...