CVE-2026-74277

A flaw was found in the Linux kernel's iommu/dma-iommu component. When handling PCI Peer-to-Peer Direct Memory Access P2PDMA cases, an incorrect assignment of the scatterlist length can cause all segments in a multi-segment scatterlist to inherit the length of the first segment. This leads to...

UBUNTU-CVE-2026-74277

In the Linux kernel, the following vulnerability has been resolved: iommu/dma-iommu: Fix wrong scatterlist length assignment in P2PDMA path In iommudmamapsg, when handling PCI P2PDMA cases, the DMA length of the current scatterlist segment s is incorrectly assigned from the head entry sg-length...

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 failure to clear the dmaiommu flag during iommu cleanup, which could lead to abnormal subsequent operation...

CVE-2024-44984

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix double DMA unmapping for XDPREDIRECT Remove the dmaunmappageattrs call in the driver's XDPREDIRECT code path. This should have been removed when we let the page pool handle the DMA mapping. This bug causes the warning...