DEBIAN-CVE-2026-90432

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

CVE-2026-90432

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

CVE-2026-90432

CVE-2026-90432 affects the Linux kernel 's sched_ext (scheduler extension) subsystem. The vulnerability is in the hardlockup handler (scx_hardlockup()), which deferred the abort to an irq_work—originally needed because exit claiming required scx_sched_lock and couldn't run from NMI. Now that clai...

CVE-2026-90432 sched_ext: Abort directly from the hardlockup handler

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

CVE-2026-90432 sched_ext: Abort directly from the hardlockup handler

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

EUVD-2026-82093

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

CVE-2026-90432: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: schedext: Abort directly from the hardlockup handler scxhardlockup defers the abort to an irqwork because exit claiming used to take scxschedlock and couldn't run from NMI. The deferral is now unnecessary - claiming is NMI-safe a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099747 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/rt: Skip currently executing CPU in rtonextcpu CPU0 becomes overloaded when hosting a...

SUSE CVE-2026-45919

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Skip currently executing CPU in rtonextcpu CPU0 becomes overloaded when hosting a CPU-bound RT task, a non-CPU-bound RT task, and a CFS task stuck in kernel space. When other CPUs switch from RT to non-RT tasks, RT load...

CVE-2026-45919

A flaw was found in the Linux kernel's real-time RT scheduler. Under specific heavy load conditions, a vulnerability in the rtonextcpu function can cause a CPU to repeatedly interrupt itself. This leads to a CPU hardlockup, resulting in a Denial of Service DoS for the system. This issue can be...

EUVD-2026-32385

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Skip currently executing CPU in rtonextcpu CPU0 becomes overloaded when hosting a CPU-bound RT task, a non-CPU-bound RT task, and a CFS task stuck in kernel space. When other CPUs switch from RT to non-RT tasks, RT load...

UBUNTU-CVE-2026-45919

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Skip currently executing CPU in rtonextcpu CPU0 becomes overloaded when hosting a CPU-bound RT task, a non-CPU-bound RT task, and a CFS task stuck in kernel space. When other CPUs switch from RT to non-RT tasks, RT load...

CVE-2026-45919

CVE-2026-45919 relates to Linux kernel sched/rt self-IPI loops caused by LB on CPU0. A patch fixes the issue by filtering out the initiating CPU in rto_next_cpu to prevent self-IPIs and CPU hardlockups. Public OSV entries show Root:Ubuntu patches (e.g., ROOT-OS-UBUNTU-2404-CVE-2026-45919 and ROOT...

CVE-2026-45919: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Skip currently executing CPU in rtonextcpu CPU0 becomes overloaded when hosting a CPU-bound RT task, a non-CPU-bound RT task, and a CFS task stuck in kernel space. When other CPUs switch from RT to non-RT tasks, RT load...

CVE-2026-31728: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference. Specifically, if ethstop is triggered concurrently while getherdisconne...

PT-2026-43786

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Real-Time RT load balancing mechanism where a CPU can enter an infinite self-Inter-Processor Interrupt IPI loop, leading to a CPU hardlockup. This occurs when a CP...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988851)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988851 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 powerpc/32: Fix...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987246)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987246 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 powerpc/32: Fix...

CVE-2025-39886: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...