Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: schedext: Reading scxroot under scxcgroupopsrwsem in the cgroup setters. The scxgroupsetweight,idle,bandwidth function caches scxroot before acquiring scxcgroupopsrwsem. As a result, the pointer may become stale by the time th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup: Defer the CSS kill operation on rmdir until after the cgroup is emptied. A series of commits back to v7.0 revised rmdir to comply with the controller invariant, which states that the -cssoffline method of a subsystem...

Linux Distros Unpatched Vulnerability : CVE-2026-46223

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits goi...

PT-2026-52249

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the memcg reparent list lrus function where the xarray entry of a dying memory control group memcg is cleared using xas store&xas, NULL before its per-node lists are...

Linux Distros Unpatched Vulnerability : CVE-2026-46154

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: schedext: Read scxroot under scxcgroupopsrwsem in cgroup setters...

PT-2026-54796

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where a warning is triggered in the scx cgroup move task function when a sched ext scheduler is loaded. This occurs when the systemd user manager writ...

VulnCheck KEV: CVE-2022-0492

A vulnerability was found in the Linux kernel’s cgroupreleaseagentwrite in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 releaseagent feature to escalate privileges and bypass the namespace isolation unexpectedly...

SUSE CVE-2026-46154

In the Linux kernel, the following vulnerability has been resolved: schedext: Read scxroot under scxcgroupopsrwsem in cgroup setters scxgroupsetweight,idle,bandwidth cache scxroot before acquiring scxcgroupopsrwsem, so the pointer can be stale by the time the op runs. If the loaded scheduler is...

SUSE CVE-2026-46223

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

CVE-2026-46154

A flaw was found in the Linux kernel, specifically within the schedext component. This vulnerability, a use-after-free, occurs in the cgroup setters when the scxroot pointer is cached before a required lock is acquired. This can lead to a stale pointer if a scheduler is disabled and then...

CVE-2026-46223

A flaw was found in the Linux kernel's cgroup subsystem. This vulnerability occurs during the rmdir operation when the process initiating the rmdir is also responsible for cleaning up zombie processes that are holding onto process namespace pidns resources. This specific scenario can lead to a...

CVE-2026-46223

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

CVE-2026-46154

In the Linux kernel, the following vulnerability has been resolved: schedext: Read scxroot under scxcgroupopsrwsem in cgroup setters scxgroupsetweight,idle,bandwidth cache scxroot before acquiring scxcgroupopsrwsem, so the pointer can be stale by the time the op runs. If the loaded scheduler is...

UBUNTU-CVE-2026-46154

In the Linux kernel, the following vulnerability has been resolved: schedext: Read scxroot under scxcgroupopsrwsem in cgroup setters scxgroupsetweight,idle,bandwidth cache scxroot before acquiring scxcgroupopsrwsem, so the pointer can be stale by the time the op runs. If the loaded scheduler is...

UBUNTU-CVE-2026-46223

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

UBUNTU-CVE-2026-46121

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: protect memcgpath kfree with damonsysfslock Patch series "mm/damon/sysfs-schemes: fix use-after-free for memcgpath". Reads of 'memcgpath' and 'path' files in DAMON sysfs interface could race with their...

CVE-2026-46223

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

EUVD-2026-32850

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

CVE-2026-46223 cgroup: Defer css percpu_ref kill on rmdir until cgroup is depopulated

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

CVE-2026-46223

The CVE-2026-46223 issue concerns the Linux kernel cgroup subsystem: rmdir defers percpu_ref kill of CSS until the cgroup is depopulated. A chain of commits reworked rmdir behavior to ensure ->css_offline() does not run while tasks are still doing kernel work in the cgroup. The core problem wa...