CVE-2023-52455

Mode C: CVE-2023-52455 relates to the Linux kernel IOMMU handling where a 0-length IOVA region in the iommu-addresses property could lead to IOVA rbtree corruption and display IOMMU mapping failures when framebuffer is absent. The documented fix adds a kernel check to skip IOVA reservation when t...

CVE-2023-52474

CVE-2023-52474: In the Linux kernel, fixes were applied for IB/hfi1 user SDMA multi-iovec handling to correct data handling across iovecs and to address related mmu_rb cache pinning issues. The description notes two root bugs: 1) user_sdma_txadd() could over-read an iovec by not honoring iov_len ...