linnix

Linnix Find which process is hurting your SLOs — not just who's using CPU, but who's causing stalls. The Problem top shows 80% CPU. Prometheus shows high latency. But which pod is actually stalling your payment service? Linnix uses eBPF + PSI Pressure Stall Information to answer this. PSI measure...

CVE-2026-74594

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists where a timer rtpolltimer can be re-armed after it has been deleted during the destruction of a control group cgroup. This can lead to the timer function executing on freed memory, potentially...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: psi: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/psi: The use of kernfs polling functions for PSI trigger polling was incorrect. Destroying the psitriggerdestroy in cgroupfilerelease causes a Use-After-Free UAF issue when a cgroup is removed from a polling process. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: kernfs: Fixed a UAF Use-after-Free issue during polling when the opened file is released. A Use-after-Free vulnerability was identified in the PSI Pressure Stall Information monitoring mechanism: BUG: KASAN: slab-use-after-fre...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fixed a use-after-free in epremovewaitqueue If a non-root cgroup is removed while there is a thread that registered a trigger and is polling on a pressure file within the cgroup, the polling waitqueue will be freed in...

SUSE CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

AZL-97302 CVE-2026-74594 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

UBUNTU-CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74594 sched/psi: Shut down rtpoll_timer in psi_cgroup_free()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74594 sched/psi: Shut down rtpoll_timer in psi_cgroup_free()

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

EUVD-2026-64531

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74594

CVE-2026-74594 affects the Linux kernel's PSI (Pressure Stall Information) subsystem . A race condition exists between psi_schedule_rtpoll_work(), called locklessly from the scheduler hotpath, and psi_trigger_destroy(), which tears down the last rtpoll trigger under lock. The rtpoll_timer can be ...

PT-2026-79599

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpoll timer in psi cgroup free psi schedule rtpoll work is called locklessly from the scheduler hotpath and can race psi trigger destroy taking down the last rtpoll trigger under rtpoll trigger lock: psi...

Linux Distros Unpatched Vulnerability : CVE-2026-74594

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking...

kernel: sched/psi: fix race between file release and pressure write

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists between the file release and pressure write operations, specifically concerning the priv member of struct kernfsopenfile. This can lead to a use-after-free vulnerability or a NULL dereference,...

kernel: sched/psi: fix race between file release and pressure write

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists between the file release and pressure write operations, specifically concerning the priv member of struct kernfsopenfile. This can lead to a use-after-free vulnerability or a NULL dereference,...

kernel: sched/psi: fix race between file release and pressure write

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists between the file release and pressure write operations, specifically concerning the priv member of struct kernfsopenfile. This can lead to a use-after-free vulnerability or a NULL dereference,...