CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

USN-8033-7: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

CVE-2024-21961

CVE-2024-21961: Severity 6.0 (MEDIUM) CVSS v4 shows network vector with attacker in a guest VM who can trigger a denial-of-service on the host via improper restriction of operations within PCIe Link memory buffers. Connected sources (Red Hat, NVD, AMD bulletins) confirm the flaw exists in PCIe Li...

CVE-2024-21961

Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack against the host resulting in loss of availability...

USN-8029-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability

A flaw was found in the Linux kernel's irqchip/gic-v2m component. This vulnerability allows a use-after-free condition via gicv2mgetfwnode being wrongly marked as init, causing it to be freed while still registered with the PCI Peripheral Component Interconnect subsystem during a PCI host bridge...

kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability

A flaw was found in the Linux kernel's irqchip/gic-v2m component. This vulnerability allows a use-after-free condition via gicv2mgetfwnode being wrongly marked as init, causing it to be freed while still registered with the PCI Peripheral Component Interconnect subsystem during a PCI host bridge...

kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability

A flaw was found in the Linux kernel's irqchip/gic-v2m component. This vulnerability allows a use-after-free condition via gicv2mgetfwnode being wrongly marked as init, causing it to be freed while still registered with the PCI Peripheral Component Interconnect subsystem during a PCI host bridge...

kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability

A flaw was found in the Linux kernel's irqchip/gic-v2m component. This vulnerability allows a use-after-free condition via gicv2mgetfwnode being wrongly marked as init, causing it to be freed while still registered with the PCI Peripheral Component Interconnect subsystem during a PCI host bridge...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56760)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56760 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Handle lack of irqdomain...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002109)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002109 advisory. The PCI backend driver in Xen, when running on an x86 system and using Linux 3.1.x through 4.3.x as the driver domain, allows local guest administrators to generate ...

ROS-20260112-7371

A vulnerability in the kspciesetuprcappregs function of the drivers/pci/controller/dwc/pci-keystone.c module of the Linux kernel is related to pointer dereferencing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

CVE-2023-54326 misc: pci_endpoint_test: Free IRQs before removing the device

In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Free IRQs before removing the device In pciendpointtestremove, freeing the IRQs after removing the device creates a small race window for IRQs to be received with the test device memory already released,...

CVE-2023-54235 PCI/DOE: Fix destroy_work_on_stack() race

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly releasing PCI device reference counts, which could lead to a memory leak...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992614)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992614 advisory. In the Linux kernel, the following vulnerability has been resolved: ocxl: fix pci device refcount leak when calling getfunction0 getfunction0 calls...

SUSE CVE-2023-54095

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix notifiers being shared by PCI and VIO buses failiommusetup registers the failiommubusnotifier struct to both PCI and VIO buses. struct notifierblock is a linked list node, so this causes any notifiers later...

EUVD-2022-55801

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix PCI device refcount leak in amdgpuatrmgetbios As comment of pcigetclass says, it returns a pcidevice with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL. If we...

CVE-2023-54095 powerpc/iommu: Fix notifiers being shared by PCI and VIO buses

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix notifiers being shared by PCI and VIO buses failiommusetup registers the failiommubusnotifier struct to both PCI and VIO buses. struct notifierblock is a linked list node, so this causes any notifiers later...

CVE-2022-50760

CVE-2022-50760 is a Linux kernel vulnerability affecting the DRM/AMDGPU path. The issue stems from a refcount handling in amdgpu_atrm_get_bios(): pci_get_class() returns a pci_device with an increased refcount, and when the loop is broken with a non-NULL pdev, the code must call pci_dev_put() to ...