Linux Distros Unpatched Vulnerability : CVE-2026-53328

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes +cpu +memory +pids to its own subtreecontrol...

CVE-2026-53328

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

UBUNTU-CVE-2026-53328

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

CVE-2026-53328 sched_ext: Don't warn on NULL cgrp_moving_from in scx_cgroup_move_task()

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

EUVD-2026-40962

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

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...

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...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: The issue of starving the scxenable function under fair-class saturation has been fixed. During scxenable, the READY - ENABLED task switching loop changes the calling thread’s schedclass from fair to ext. Since fair has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: The crash that occurred during the creation of helper kthreads due to scxenable has been fixed. A crash was observed when the schedext selftest runner was terminated with Ctrl+\ while test 15 was running: NIP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: Corrected incorrect autogroup migration detection. The function scxmovetask is called from schedmovetask, and it informs the BPF scheduler that cgroup migration is being performed. schedmovetask is used for both cgroup...

Linux Distros Unpatched Vulnerability : CVE-2026-43392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Fix starvation of scxenable under fair-class saturation During scxenable, the READY - ENABLED task switching loop changes the calling thread's...

CVE-2026-43326

A flaw was found in the Linux kernel, specifically within the schedext component. This vulnerability can lead to a system-wide deadlock, causing a Denial of Service DoS where the system becomes unresponsive. The issue arises when the kernel's scheduling mechanism enters a busy-wait state in a...

CVE-2026-43482

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

CVE-2026-43482 sched_ext: Disable preemption between scx_claim_exit() and kicking helper work

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

Linux Distros Unpatched Vulnerability : CVE-2026-43438

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Remove redundant cssput in scxcgroupinit The iterator cssforeachdescendantpre walks the cgroup hierarchy under cgrouplock. It does not increment the...

CVE-2026-43438

A flaw was found in the Linux kernel's schedext component. This vulnerability is caused by a redundant cssput call in the scxcgroupinit function, leading to a reference count underflow. This can result in a Use-After-Free UAF vulnerability, potentially allowing a local attacker to cause a denial ...

CVE-2026-43392

A flaw was found in the schedext component of the Linux kernel. This vulnerability allows a local attacker to cause a system hang by exploiting an issue in the scxenable function. The function's task switching loop can lead to indefinite starvation of the enable thread when higher-priority...

EUVD-2026-28698

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix starvation of scxenable under fair-class saturation During scxenable, the READY - ENABLED task switching loop changes the calling thread's schedclass from fair to ext. Since fair has higher priority than ext,...

CVE-2026-43438 sched_ext: Remove redundant css_put() in scx_cgroup_init()

In the Linux kernel, the following vulnerability has been resolved: schedext: Remove redundant cssput in scxcgroupinit The iterator cssforeachdescendantpre walks the cgroup hierarchy under cgrouplock. It does not increment the reference counts on yielded css structs. According to the cgroup...