Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vfio/platform: Create persistent IRQ handlers The vfio-platform SETIRQS ioctl currently allows loopback triggering of an interrupt before a signaling eventfd has been configured by the user, which allows a NULL pointer dereferenc...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - Misc: ocxl: fixed a possible refcount leak in afuioctl. - eventfdctxput needs to be called to update the refcount obtained through eventfdctxfdget when ocxlirqsethandler fails...

AZL-99963 CVE-2026-80920 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

EUVD-2026-75095

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

CVE-2026-80920

CVE-2026-80920 affects the Linux kernel io_uring subsystem. The root cause is that io_req_local_work_add() signals the CQ ring eventfd inline when it pushes the first entry onto ->work_list. For DEFER_TASKRUN rings, this add is frequently done from a waitqueue wakeup handler where an arbitrary...

CVE-2026-80920 io_uring: defer eventfd signaling when queued from a wakeup handler

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

Linux Distros Unpatched Vulnerability : CVE-2026-80920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first ent...

PT-2026-89090

In the Linux kernel, the following vulnerability has been resolved: io uring: defer eventfd signaling when queued from a wakeup handler io req local work add signals the CQ ring eventfd inline when it is the one to push the first entry onto -work list. For DEFER TASKRUN rings that add is frequent...

The vulnerability of the ioeventfd_in_range() function in the virt/kvm/eventfd.c module of the Kernel-based Virtual Machine (KVM) virtualization subsystem of the Linux operating system allows a attacker to trigger a service failure.

The vulnerability of the ioeventfdinrange function in the virt/kvm/eventfd.c module of the Kernel-based Virtual Machine KVM virtualization subsystem of the Linux operating system is related to an uncontrolled, exploitable condition. Exploitation of this vulnerability could allow a attacker to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vfio/fsl-mc: Blocking calls to interrupt handlers without a trigger. The eventfdctx trigger pointer of the vfiofslmcirq object is initially NULL, and it may become NULL if the user sets the trigger eventfd to -1. The interrupt...

UBUNTU-CVE-2026-74395

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix devx subscribe-event unwind NULL dereference MLX5IBMETHODDEVXSUBSCRIBEEVENT links eventsub into sublist before initializing the fields used by the shared error path. If eventfdctxfdget then fails, the unwind path...

CVE-2026-46034

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

UBUNTU-CVE-2026-46034

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

CVE-2026-46034 vfio/cdx: Fix NULL pointer dereference in interrupt trigger path

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

EUVD-2026-32415

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Fixed error handling for eventfd in kvmxeneventfdassign Do not call eventfdctxput in case of an error. Introduced a new goto target instead. - Paolo...

JLSEC-2026-421 libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection...

libcurl would wrongly close the same eventfd file descriptor twice when taking down a connection channel after having completed a threaded name resolve...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013086)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013086 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/fsl-mc: Block calling interrupt handler without trigger The eventfdctx trigger pointer of th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010931)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010931 advisory. In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afuioctl eventfdctxput need to be called to put the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012946)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012946 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Create persistent INTx handler A vulnerability exists where the eventfd for INTx...