CVE-2024-49993

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix potential lockup if qisubmitsync called with 0 count If qisubmitsync is invoked with 0 invalidation descriptors for instance, for DMA draining purposes, we can run into a bug where a submitting thread fails to...

CVE-2022-49002

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49000

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

DEBIAN-CVE-2022-49000

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

UBUNTU-CVE-2022-49002

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49002 iommu/vt-d: Fix PCI device refcount leak in dmar_dev_scope_init()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49002 iommu/vt-d: Fix PCI device refcount leak in dmar_dev_scope_init()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmardevscopeinit foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49000 iommu/vt-d: Fix PCI device refcount leak in has_external_pci()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49000

CVE-2022-49000 – Linux kernel (iommu/vt-d) refcount leak fix . The issue stems from for_each_pci_dev() implemented via pci_get_device(); the returned pci_dev’s reference count is incremented, but input dev is not always decremented, leading to a potential refcount leak. The patch adds a pci_dev_p...

CVE-2022-49000 iommu/vt-d: Fix PCI device refcount leak in has_external_pci()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2022-49000 iommu/vt-d: Fix PCI device refcount leak in has_external_pci()

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in hasexternalpci foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the...

CVE-2024-49993

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2024-49993

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2024-49993

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CVE-2024-49993

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CVE-2024-49993

CVE-2024-49993 is associated with Linux kernel IOMMU VT-d flaws. The connected MiracleLinux advisory AXSA:2025-10392:38 notes iommuvt-d issues, including an explicit item: "iommu/vt-d: vulnerability may cause a soft lockup if qi_submit_sync() is called with zero invalidation descriptors, as the c...

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 the Linux kernel that stems from a PCI device reference count leak in the hasexternalpci function in the iommu/vt-d driver...

The vulnerability of the iommu/vt-d component in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the iommu/vt-d component in the Linux operating system is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2024-31145

Certain PCI devices in a system might be assigned Reserved Memory Regions specified via Reserved Memory Region Reporting, "RMRR" for Intel VT-d or Unity Mapping ranges for AMD-Vi. These are typically used for platform tasks such as legacy USB emulation. Since the precise purpose of these regions ...

CVE-2024-31145

CVE-2024-31145 is confirmed in connected advisories as a Xen/Xen-related vulnerability affecting the x86 IOMMU identity mapping for PCI devices using Reserved Memory Regions (RMRR) or similar mappings. The flaw allows a guest VM to retain access to memory regions that should be removed, enabling ...