EUVD-2025-5170

Malicious code in bioql PyPI...

The vulnerability of the sched_ext component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the schedext component in the Linux operating system’s kernel is related to errors during resource release. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2025-39780

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sched/ext: Fix invalid task state transitions on class switch When enabling a schedext scheduler, we may trigger invalid task state transitions, resulting in...

CVE-2025-39780

CVE-2025-39780 – Linux kernel sched/ext class-switch issue. The vulnerability arises when enabling the sched_ext scheduler, which may trigger invalid task state transitions and produce warnings such as “Invalid task state transition 0 -> 3 for fish[770]” in kernel/sched/ext.c. The root cause, ...

The vulnerability of the bpf_iter_scx_dsq_new() function in the sched_ext component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the bpfiterscxdsqnew function in the schedext component of the Linux operating system lies in the access to an uninitialized pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-38012: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

The vulnerability of the sched_ext component of the pick_task_scx function in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the schedext component in the picktaskscx function of the Linux operating system is related to mutual blocking of execution threads. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

CVE-2025-21965

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

CVE-2025-21897 sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

CVE-2025-21897

CVE-2025-21897: Linux kernel sched_ext vulnerability where pick_task_scx() could return non-queued tasks if balance() wasn’t called. The fix adds a workaround to emulate SCX_RQ_BAL_KEEP only when preceding balance_scx() is missing, and corrects the prior test that used @prev to decide if a task w...

CVE-2025-21897: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix picktaskscx picking non-queued tasks when it's called without balance a6250aa251ea "schedext: Handle cases where picktaskscx is called without preceding balancescx" added a workaround to handle the cases where...

CVE-2025-21965: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: schedext: Validate prevcpu in scxbpfselectcpudfl If a BPF scheduler provides an invalid CPU outside the nrcpuids range as prevcpu to scxbpfselectcpudfl it can cause a kernel crash. To prevent this, validate prevcpu in...

CVE-2025-21771: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

sos bug fix and enhancement update

An update is available for sos. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The sos package contains a set of utilities that gather information from system...

CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

CVE-2025-21657: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

CVE-2024-57891

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass While adding outer irqsave/restore locking, 0e7ffff1b811 "scx: Fix raciness in scxopsbypass" forgot to convert an inner rqunlockirqrestore to rqunlock which could re-enable IRQ...

UBUNTU-CVE-2024-57891

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass While adding outer irqsave/restore locking, 0e7ffff1b811 "scx: Fix raciness in scxopsbypass" forgot to convert an inner rqunlockirqrestore to rqunlock which could re-enable IRQ...

CVE-2024-57891 sched_ext: Fix invalid irq restore in scx_ops_bypass()

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass While adding outer irqsave/restore locking, 0e7ffff1b811 "scx: Fix raciness in scxopsbypass" forgot to convert an inner rqunlockirqrestore to rqunlock which could re-enable IRQ...

CVE-2024-57891

The CVE refers to a Linux kernel issue fixed in the sched_ext subsystem: an invalid IRQ restore could occur due to improper conversion of an inner rq_unlock_irqrestore() to rq_unlock() when adding outer irqsave/restore locking in scx_ops_bypass(). This could lead to the IRQs being re-enabled at a...