dmabuf

Microsoft has published CVE-2026-64590 for the Linux kernel’s dma-buf/udmabuf change titled “skip redundant cpu sync to fix cacheline EEXIST warning,” but the public Security Update Guide entry currently leaves out the information Windows and Linux administrators would normally need to act...

A small, targeted Linux‑kernel fix landed this summer to close CVE‑2025‑38095 — a race/ordering bug in the dma‑buf reservation (dma‑resv) code that could lead to a null‑pointer dereference when the kernel reordered updates to a fence count. The remedy was to add an explicit memory barrier before...

A subtle memory leak in the Linux kernel’s udmabuf driver — tracked as CVE-2024-56712 — has been closed by a small, surgical change to the export path that prevents orphaned dma_buf objects when file-descriptor assignment fails; the bug is low in severity but meaningful for systems that...

Linux 6.16 lands with a broad set of core changes that sharpen the kernel’s performance profile, strengthen confidential computing, and extend hardware coverage—from next‑gen Intel features to modern GPUs and audio DSPs—while also polishing daily driver subsystems such as filesystems...