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 the domaincontextclear function in the iommu/vt-d module incorrectly calling pciforeachdmaalias for a non-PC...

OESA-2024-2322 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix double listadd when enabling VMD in scalable mode When enabling VMD and IOMMU scalable mode, the following kernel panic call trace/kernel log is...

CVE-2024-50076

In the Linux kernel, the following vulnerability has been resolved: vt: prevent kernel-infoleak in confontget font.data may not initialize all memory spaces depending on the implementation of vc-vcsw-confontget. This may cause info-leak, so to prevent this, it is safest to modify it to initialize...

ROS-20241028-03

The vulnerability of the quota component of the Linux kernel is related to the NULL pointer dereferencing in the functions dquotmarkdquotdirty, dquotallocspace, dquotallocinode, EXPORTSYMBOL, dquotclaimspacenodirty, dquotreclaimspacenodirty, dquotfreespace, dquotfreeinode, and dquottransfer in...

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...

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...

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...

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...

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 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-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

...

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...