PT-2026-136092

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix issue with background work locking dm cache used a rw semaphore for background work lock. Write locks on rw semaphores have strict owner semantics, but there was no guarantee that the process that locked background...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Initialize ethsyslock spinlock before use lan743xhardwareinit calls pci11x1xstrapgetstatus during the PCI11x1x probe sequence. That helper acquires the Ethernet subsystem hardware lock via lan743xhssyslockacquire,...

CVE-2026-64563_EXP

CVE-2026-64563EXP For experimental research only. The code for prefetch and nperm the memory reference set.gdb needs to be configured is not attached, and since it has not been optimized, the hit probability is low. The author noticed that the vulnerability author has already released relevant...

CVE-2025-39866

CVE-2025-39866 - use-after-free Author: Byte Reaper Description This POC attempts to exploit the CVE-2025-39866 vulnerability, which is a flaw in Linux systems iwb” and schedules the critical free via “wbputmany”. step 3 : - thread 2 : free wbolb - thread 1 - pointer - free object wb free old -...

SUSE CVE-2026-98930

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

DEBIAN-CVE-2026-98930

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

CVE-2026-98930

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

CVE-2026-98930

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

UBUNTU-CVE-2026-98930

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

CVE-2026-98930

The Linux kernel contains a vulnerability in the KVM s390 component related to IRQ injection. Specifically, the ——inject_sigp_stop() function was performing a Store Status operation (writing to userspace) while holding a spinlock via do_inject_vcpu() , which could cause a fault. The issue was res...

CVE-2026-98930 KVM: s390: Fix IRQ injection with SIGP Stop and Store Status

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

CVE-2026-98930 KVM: s390: Fix IRQ injection with SIGP Stop and Store Status

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

EUVD-2026-108901

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the interrupt is marked as pending and the status is stored by the thread...

PT-2026-121902

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM s390 architecture during IRQ injection for Stop and Store Status operations. When the inject sigp stop function is called while the vCPU is already stopped, th...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 4.0; it arises when performing a Store Status operation while holding a spinlock, potentially writing to user space and causing a crash...

Linux Distros Unpatched Vulnerability : CVE-2026-98930

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: Fix IRQ injection with SIGP Stop and Store Status When injectsigpstop is called for a Stop and Store Status operation, if the vCPU is running, the...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Protect currxfer check in IRQ handler Now that all other accesses to currxfer are done under the lock, protect the currxfer NULL check in tegraqspiisrthread with the spinlock. Without this protection, the...

Astra Linux – vulnerability in linux-6.12

In the Linux kernel, the following vulnerability has been resolved: idpf: fix PREEMPTRT raw/bh spinlock nesting for async VC handling The raw spinlock used by the completion mechanism is replaced with a local lock within the idpfvcxn struct. This conversion is safe because the completion function...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: Input: uinput - fix circular locking dependency with ff-core A lockdep circular locking dependency warning can be triggered reproducibly when using a force-feedback gamepad with uinput for example, playing ELDEN RING under Wine...